LED drivers: register naming cleanups (#22436)

30 files changed, 630 insertions, 619 deletions

diff --git a/drivers/led/aw20216s.c b/drivers/led/aw20216s.c
index 8f3ebec510..ab7f3ccb42 100644
--- a/drivers/led/aw20216s.c
+++ b/drivers/led/aw20216s.c
@@ -19,39 +19,16 @@
 #include "wait.h"
 #include "spi_master.h"
 
-/* The AW20216S appears to be somewhat similar to the IS31FL743, although quite
- * a few things are different, such as the command byte format and page ordering.
- * The LED addresses start from 0x00 instead of 0x01.
- */
-#define AW20216S_ID 0b1010 << 4
-
-#define AW20216S_PAGE_FUNCTION 0x00 << 1   // PG0, Function registers
-#define AW20216S_PAGE_PWM 0x01 << 1        // PG1, LED PWM control
-#define AW20216S_PAGE_SCALING 0x02 << 1    // PG2, LED current scaling control
-#define AW20216S_PAGE_PATCHOICE 0x03 << 1  // PG3, Pattern choice?
-#define AW20216S_PAGE_PWMSCALING 0x04 << 1 // PG4, LED PWM + Scaling control?
-
-#define AW20216S_WRITE 0
-#define AW20216S_READ 1
-
-#define AW20216S_REG_CONFIGURATION 0x00 // PG0
-#define AW20216S_REG_GLOBALCURRENT 0x01 // PG0
-#define AW20216S_REG_RESET 0x2F         // PG0
-#define AW20216S_REG_MIXFUNCTION 0x46   // PG0
-
-// Default value of AW20216S_REG_CONFIGURATION
-// D7:D4 = 1011, SWSEL (SW1~SW12 active)
-// D3 = 0?, reserved (apparently this should be 1 but it doesn't seem to matter)
-// D2:D1 = 00, OSDE (open/short detection enable)
-// D0 = 0, CHIPEN (write 1 to enable LEDs when hardware enable pulled high)
-#define AW20216S_CONFIG_DEFAULT 0b10110000
-#define AW20216S_MIXCR_DEFAULT 0b00000000
-#define AW20216S_RESET_CMD 0xAE
-#define AW20216S_CHIPEN 1
-#define AW20216S_LPEN (0x01 << 1)
-
 #define AW20216S_PWM_REGISTER_COUNT 216
 
+#ifndef AW20216S_CONFIGURATION
+#    define AW20216S_CONFIGURATION (AW20216S_CONFIGURATION_SWSEL_1_12 | AW20216S_CONFIGURATION_CHIPEN)
+#endif
+
+#ifndef AW20216S_MIX_FUNCTION
+#    define AW20216S_MIX_FUNCTION (AW20216S_MIX_FUNCTION_LPEN)
+#endif
+
 #ifndef AW20216S_SCALING_MAX
 #    define AW20216S_SCALING_MAX 150
 #endif
@@ -102,7 +79,7 @@ static inline bool aw20216s_write_register(pin_t cs_pin, uint8_t page, uint8_t r
 }
 
 void aw20216s_soft_reset(pin_t cs_pin) {
-    aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_REG_RESET, AW20216S_RESET_CMD);
+    aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_FUNCTION_REG_RESET, AW20216S_RESET_MAGIC);
 }
 
 static void aw20216s_init_scaling(pin_t cs_pin) {
@@ -114,16 +91,16 @@ static void aw20216s_init_scaling(pin_t cs_pin) {
 
 static inline void aw20216s_init_current_limit(pin_t cs_pin) {
     // Push config
-    aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_REG_GLOBALCURRENT, AW20216S_GLOBAL_CURRENT_MAX);
+    aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_FUNCTION_REG_GLOBAL_CURRENT, AW20216S_GLOBAL_CURRENT_MAX);
 }
 
 static inline void aw20216s_soft_enable(pin_t cs_pin) {
     // Push config
-    aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_REG_CONFIGURATION, AW20216S_CONFIG_DEFAULT | AW20216S_CHIPEN);
+    aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_FUNCTION_REG_CONFIGURATION, AW20216S_CONFIGURATION);
 }
 
 static inline void aw20216s_auto_lowpower(pin_t cs_pin) {
-    aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_REG_MIXFUNCTION, AW20216S_MIXCR_DEFAULT | AW20216S_LPEN);
+    aw20216s_write_register(cs_pin, AW20216S_PAGE_FUNCTION, AW20216S_FUNCTION_REG_MIX_FUNCTION, AW20216S_MIX_FUNCTION);
 }
 
 void aw20216s_init_drivers(void) {
diff --git a/drivers/led/aw20216s.h b/drivers/led/aw20216s.h
index d79d632084..38a0c92b2f 100644
--- a/drivers/led/aw20216s.h
+++ b/drivers/led/aw20216s.h
@@ -52,6 +52,28 @@
 #define g_aw_leds g_aw20216s_leds
 // ========
 
+#define AW20216S_ID (0b1010 << 4)
+#define AW20216S_WRITE 0
+#define AW20216S_READ 1
+
+#define AW20216S_PAGE_FUNCTION (0x00 << 1)
+#define AW20216S_PAGE_PWM (0x01 << 1)
+#define AW20216S_PAGE_SCALING (0x02 << 1)
+#define AW20216S_PAGE_PATTERN_CHOICE (0x03 << 1)
+#define AW20216S_PAGE_PWM_SCALING (0x04 << 1)
+
+#define AW20216S_FUNCTION_REG_CONFIGURATION 0x00
+#define AW20216S_CONFIGURATION_SWSEL_1_12 (0b1011 << 4)
+#define AW20216S_CONFIGURATION_CHIPEN (0b1 << 0)
+
+#define AW20216S_FUNCTION_REG_GLOBAL_CURRENT 0x01
+
+#define AW20216S_FUNCTION_REG_RESET 0x2F
+#define AW20216S_RESET_MAGIC 0xAE
+
+#define AW20216S_FUNCTION_REG_MIX_FUNCTION 0x46
+#define AW20216S_MIX_FUNCTION_LPEN (0b1 << 1)
+
 #if defined(RGB_MATRIX_AW20216S)
 #    define AW20216S_LED_COUNT RGB_MATRIX_LED_COUNT
 #endif
diff --git a/drivers/led/issi/is31fl3218-simple.c b/drivers/led/issi/is31fl3218-simple.c
index ea9d76ddbb..ce28c51d18 100644
--- a/drivers/led/issi/is31fl3218-simple.c
+++ b/drivers/led/issi/is31fl3218-simple.c
@@ -17,13 +17,6 @@
 #include <string.h>
 #include "i2c_master.h"
 
-// These are the register addresses
-#define IS31FL3218_REG_SHUTDOWN 0x00
-#define IS31FL3218_REG_PWM 0x01
-#define IS31FL3218_REG_CONTROL 0x13
-#define IS31FL3218_REG_UPDATE 0x16
-#define IS31FL3218_REG_RESET 0x17
-
 #define IS31FL3218_PWM_REGISTER_COUNT 18
 #define IS31FL3218_LED_CONTROL_REGISTER_COUNT 3
 
@@ -86,7 +79,7 @@ void is31fl3218_init(void) {
 
     // turn off all LEDs in the LED control register
     for (uint8_t i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
-        is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0x00);
+        is31fl3218_write_register(IS31FL3218_REG_LED_CONTROL_1 + i, 0x00);
     }
 
     // Load PWM registers and LED Control register data
@@ -146,7 +139,7 @@ void is31fl3218_update_pwm_buffers(void) {
 void is31fl3218_update_led_control_registers(void) {
     if (g_led_control_registers_update_required) {
         for (int i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
-            is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, g_led_control_registers[i]);
+            is31fl3218_write_register(IS31FL3218_REG_LED_CONTROL_1 + i, g_led_control_registers[i]);
         }
 
         g_led_control_registers_update_required = false;
diff --git a/drivers/led/issi/is31fl3218-simple.h b/drivers/led/issi/is31fl3218-simple.h
index 0b5abca341..9492817809 100644
--- a/drivers/led/issi/is31fl3218-simple.h
+++ b/drivers/led/issi/is31fl3218-simple.h
@@ -21,6 +21,14 @@
 #include "progmem.h"
 #include "util.h"
 
+#define IS31FL3218_REG_SHUTDOWN 0x00
+#define IS31FL3218_REG_PWM 0x01
+#define IS31FL3218_REG_LED_CONTROL_1 0x13
+#define IS31FL3218_REG_LED_CONTROL_2 0x14
+#define IS31FL3218_REG_LED_CONTROL_3 0x15
+#define IS31FL3218_REG_UPDATE 0x16
+#define IS31FL3218_REG_RESET 0x17
+
 #define IS31FL3218_I2C_ADDRESS 0x54
 
 #if defined(LED_MATRIX_IS31FL3218)
diff --git a/drivers/led/issi/is31fl3218.c b/drivers/led/issi/is31fl3218.c
index 357cb1ab55..39db09d518 100644
--- a/drivers/led/issi/is31fl3218.c
+++ b/drivers/led/issi/is31fl3218.c
@@ -17,13 +17,6 @@
 #include <string.h>
 #include "i2c_master.h"
 
-// These are the register addresses
-#define IS31FL3218_REG_SHUTDOWN 0x00
-#define IS31FL3218_REG_PWM 0x01
-#define IS31FL3218_REG_CONTROL 0x13
-#define IS31FL3218_REG_UPDATE 0x16
-#define IS31FL3218_REG_RESET 0x17
-
 #define IS31FL3218_PWM_REGISTER_COUNT 18
 #define IS31FL3218_LED_CONTROL_REGISTER_COUNT 3
 
@@ -86,7 +79,7 @@ void is31fl3218_init(void) {
 
     // turn off all LEDs in the LED control register
     for (uint8_t i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
-        is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0x00);
+        is31fl3218_write_register(IS31FL3218_REG_LED_CONTROL_1 + i, 0x00);
     }
 
     // Load PWM registers and LED Control register data
@@ -162,7 +155,7 @@ void is31fl3218_update_pwm_buffers(void) {
 void is31fl3218_update_led_control_registers(void) {
     if (g_led_control_registers_update_required) {
         for (int i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
-            is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, g_led_control_registers[i]);
+            is31fl3218_write_register(IS31FL3218_REG_LED_CONTROL_1 + i, g_led_control_registers[i]);
         }
 
         g_led_control_registers_update_required = false;
diff --git a/drivers/led/issi/is31fl3218.h b/drivers/led/issi/is31fl3218.h
index 1d4f881e3c..ffa7f36d61 100644
--- a/drivers/led/issi/is31fl3218.h
+++ b/drivers/led/issi/is31fl3218.h
@@ -21,6 +21,14 @@
 #include "progmem.h"
 #include "util.h"
 
+#define IS31FL3218_REG_SHUTDOWN 0x00
+#define IS31FL3218_REG_PWM 0x01
+#define IS31FL3218_REG_LED_CONTROL_1 0x13
+#define IS31FL3218_REG_LED_CONTROL_2 0x14
+#define IS31FL3218_REG_LED_CONTROL_3 0x15
+#define IS31FL3218_REG_UPDATE 0x16
+#define IS31FL3218_REG_RESET 0x17
+
 #define IS31FL3218_I2C_ADDRESS 0x54
 
 #if defined(RGB_MATRIX_IS31FL3218)
diff --git a/drivers/led/issi/is31fl3731-simple.c b/drivers/led/issi/is31fl3731-simple.c
index c6f1da5789..8dbfc3cd31 100644
--- a/drivers/led/issi/is31fl3731-simple.c
+++ b/drivers/led/issi/is31fl3731-simple.c
@@ -22,26 +22,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3731_REG_CONFIG 0x00
-#define IS31FL3731_REG_CONFIG_PICTUREMODE 0x00
-#define IS31FL3731_REG_CONFIG_AUTOPLAYMODE 0x08
-#define IS31FL3731_REG_CONFIG_AUDIOPLAYMODE 0x18
-
-#define IS31FL3731_CONF_PICTUREMODE 0x00
-#define IS31FL3731_CONF_AUTOFRAMEMODE 0x04
-#define IS31FL3731_CONF_AUDIOMODE 0x08
-
-#define IS31FL3731_REG_PICTUREFRAME 0x01
-
-// Not defined in the datasheet -- See AN for IC
-#define IS31FL3731_REG_GHOST_IMAGE_PREVENTION 0xC2 // Set bit 4 to enable de-ghosting
-
-#define IS31FL3731_REG_SHUTDOWN 0x0A
-#define IS31FL3731_REG_AUDIOSYNC 0x06
-
-#define IS31FL3731_COMMANDREGISTER 0xFD
-#define IS31FL3731_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
-
 #define IS31FL3731_PWM_REGISTER_COUNT 144
 #define IS31FL3731_LED_CONTROL_REGISTER_COUNT 18
 
@@ -144,26 +124,26 @@ void is31fl3731_init(uint8_t addr) {
     // then disable software shutdown.
 
     // select "function register" bank
-    is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, IS31FL3731_BANK_FUNCTIONREG);
+    is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION);
 
     // enable software shutdown
-    is31fl3731_write_register(addr, IS31FL3731_REG_SHUTDOWN, 0x00);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x00);
 #ifdef IS31FL3731_DEGHOST // set to enable de-ghosting of the array
-    is31fl3731_write_register(addr, IS31FL3731_REG_GHOST_IMAGE_PREVENTION, 0x10);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_GHOST_IMAGE_PREVENTION, IS31FL3731_GHOST_IMAGE_PREVENTION_GEN);
 #endif
 
     // this delay was copied from other drivers, might not be needed
     wait_ms(10);
 
     // picture mode
-    is31fl3731_write_register(addr, IS31FL3731_REG_CONFIG, IS31FL3731_REG_CONFIG_PICTUREMODE);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_CONFIG, IS31FL3731_CONFIG_MODE_PICTURE);
     // display frame 0
-    is31fl3731_write_register(addr, IS31FL3731_REG_PICTUREFRAME, 0x00);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_PICTURE_DISPLAY, 0x00);
     // audio sync off
-    is31fl3731_write_register(addr, IS31FL3731_REG_AUDIOSYNC, 0x00);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_AUDIO_SYNC, 0x00);
 
     // select bank 0
-    is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
+    is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1);
 
     // turn off all LEDs in the LED control register
     for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
@@ -181,15 +161,15 @@ void is31fl3731_init(uint8_t addr) {
     }
 
     // select "function register" bank
-    is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, IS31FL3731_BANK_FUNCTIONREG);
+    is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION);
 
     // disable software shutdown
-    is31fl3731_write_register(addr, IS31FL3731_REG_SHUTDOWN, 0x01);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x01);
 
     // select bank 0 and leave it selected.
     // most usage after initialization is just writing PWM buffers in bank 0
     // as there's not much point in double-buffering
-    is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
+    is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1);
 }
 
 void is31fl3731_set_value(int index, uint8_t value) {
diff --git a/drivers/led/issi/is31fl3731-simple.h b/drivers/led/issi/is31fl3731-simple.h
index 32b42feab0..4d173847dd 100644
--- a/drivers/led/issi/is31fl3731-simple.h
+++ b/drivers/led/issi/is31fl3731-simple.h
@@ -50,6 +50,30 @@
 #define g_is31_leds g_is31fl3731_leds
 // ========
 
+#define IS31FL3731_REG_COMMAND 0xFD
+#define IS31FL3731_COMMAND_FRAME_1 0x00
+#define IS31FL3731_COMMAND_FRAME_2 0x01
+#define IS31FL3731_COMMAND_FRAME_3 0x02
+#define IS31FL3731_COMMAND_FRAME_4 0x03
+#define IS31FL3731_COMMAND_FRAME_5 0x04
+#define IS31FL3731_COMMAND_FRAME_6 0x05
+#define IS31FL3731_COMMAND_FRAME_7 0x06
+#define IS31FL3731_COMMAND_FRAME_8 0x07
+#define IS31FL3731_COMMAND_FUNCTION 0x0B
+
+#define IS31FL3731_FUNCTION_REG_CONFIG 0x00
+#define IS31FL3731_CONFIG_MODE_PICTURE 0x00
+#define IS31FL3731_CONFIG_MODE_AUTO_PLAY 0x08
+#define IS31FL3731_CONFIG_MODE_AUDIO_PLAY 0x18
+
+#define IS31FL3731_FUNCTION_REG_PICTURE_DISPLAY 0x01
+#define IS31FL3731_FUNCTION_REG_AUDIO_SYNC 0x06
+#define IS31FL3731_FUNCTION_REG_SHUTDOWN 0x0A
+
+// Not defined in the datasheet -- See AN for IC
+#define IS31FL3731_FUNCTION_REG_GHOST_IMAGE_PREVENTION 0xC2
+#define IS31FL3731_GHOST_IMAGE_PREVENTION_GEN 0x10
+
 #define IS31FL3731_I2C_ADDRESS_GND 0x74
 #define IS31FL3731_I2C_ADDRESS_SCL 0x75
 #define IS31FL3731_I2C_ADDRESS_SDA 0x76
diff --git a/drivers/led/issi/is31fl3731.c b/drivers/led/issi/is31fl3731.c
index 6a64d89ecf..1ab8997731 100644
--- a/drivers/led/issi/is31fl3731.c
+++ b/drivers/led/issi/is31fl3731.c
@@ -21,26 +21,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3731_REG_CONFIG 0x00
-#define IS31FL3731_REG_CONFIG_PICTUREMODE 0x00
-#define IS31FL3731_REG_CONFIG_AUTOPLAYMODE 0x08
-#define IS31FL3731_REG_CONFIG_AUDIOPLAYMODE 0x18
-
-#define IS31FL3731_CONF_PICTUREMODE 0x00
-#define IS31FL3731_CONF_AUTOFRAMEMODE 0x04
-#define IS31FL3731_CONF_AUDIOMODE 0x08
-
-#define IS31FL3731_REG_PICTUREFRAME 0x01
-
-// Not defined in the datasheet -- See AN for IC
-#define IS31FL3731_REG_GHOST_IMAGE_PREVENTION 0xC2 // Set bit 4 to enable de-ghosting
-
-#define IS31FL3731_REG_SHUTDOWN 0x0A
-#define IS31FL3731_REG_AUDIOSYNC 0x06
-
-#define IS31FL3731_COMMANDREGISTER 0xFD
-#define IS31FL3731_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
-
 #define IS31FL3731_PWM_REGISTER_COUNT 144
 #define IS31FL3731_LED_CONTROL_REGISTER_COUNT 18
 
@@ -141,26 +121,26 @@ void is31fl3731_init(uint8_t addr) {
     // then disable software shutdown.
 
     // select "function register" bank
-    is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, IS31FL3731_BANK_FUNCTIONREG);
+    is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION);
 
     // enable software shutdown
-    is31fl3731_write_register(addr, IS31FL3731_REG_SHUTDOWN, 0x00);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x00);
 #ifdef IS31FL3731_DEGHOST // set to enable de-ghosting of the array
-    is31fl3731_write_register(addr, IS31FL3731_REG_GHOST_IMAGE_PREVENTION, 0x10);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_GHOST_IMAGE_PREVENTION, IS31FL3731_GHOST_IMAGE_PREVENTION_GEN);
 #endif
 
     // this delay was copied from other drivers, might not be needed
     wait_ms(10);
 
     // picture mode
-    is31fl3731_write_register(addr, IS31FL3731_REG_CONFIG, IS31FL3731_REG_CONFIG_PICTUREMODE);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_CONFIG, IS31FL3731_CONFIG_MODE_PICTURE);
     // display frame 0
-    is31fl3731_write_register(addr, IS31FL3731_REG_PICTUREFRAME, 0x00);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_PICTURE_DISPLAY, 0x00);
     // audio sync off
-    is31fl3731_write_register(addr, IS31FL3731_REG_AUDIOSYNC, 0x00);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_AUDIO_SYNC, 0x00);
 
     // select bank 0
-    is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
+    is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1);
 
     // turn off all LEDs in the LED control register
     for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
@@ -178,15 +158,15 @@ void is31fl3731_init(uint8_t addr) {
     }
 
     // select "function register" bank
-    is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, IS31FL3731_BANK_FUNCTIONREG);
+    is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION);
 
     // disable software shutdown
-    is31fl3731_write_register(addr, IS31FL3731_REG_SHUTDOWN, 0x01);
+    is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x01);
 
     // select bank 0 and leave it selected.
     // most usage after initialization is just writing PWM buffers in bank 0
     // as there's not much point in double-buffering
-    is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
+    is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1);
 }
 
 void is31fl3731_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
diff --git a/drivers/led/issi/is31fl3731.h b/drivers/led/issi/is31fl3731.h
index d7b512e4c4..b45cb2b07d 100644
--- a/drivers/led/issi/is31fl3731.h
+++ b/drivers/led/issi/is31fl3731.h
@@ -49,6 +49,30 @@
 #define g_is31_leds g_is31fl3731_leds
 // ========
 
+#define IS31FL3731_REG_COMMAND 0xFD
+#define IS31FL3731_COMMAND_FRAME_1 0x00
+#define IS31FL3731_COMMAND_FRAME_2 0x01
+#define IS31FL3731_COMMAND_FRAME_3 0x02
+#define IS31FL3731_COMMAND_FRAME_4 0x03
+#define IS31FL3731_COMMAND_FRAME_5 0x04
+#define IS31FL3731_COMMAND_FRAME_6 0x05
+#define IS31FL3731_COMMAND_FRAME_7 0x06
+#define IS31FL3731_COMMAND_FRAME_8 0x07
+#define IS31FL3731_COMMAND_FUNCTION 0x0B
+
+#define IS31FL3731_FUNCTION_REG_CONFIG 0x00
+#define IS31FL3731_CONFIG_MODE_PICTURE 0x00
+#define IS31FL3731_CONFIG_MODE_AUTO_PLAY 0x08
+#define IS31FL3731_CONFIG_MODE_AUDIO_PLAY 0x18
+
+#define IS31FL3731_FUNCTION_REG_PICTURE_DISPLAY 0x01
+#define IS31FL3731_FUNCTION_REG_AUDIO_SYNC 0x06
+#define IS31FL3731_FUNCTION_REG_SHUTDOWN 0x0A
+
+// Not defined in the datasheet -- See AN for IC
+#define IS31FL3731_FUNCTION_REG_GHOST_IMAGE_PREVENTION 0xC2
+#define IS31FL3731_GHOST_IMAGE_PREVENTION_GEN 0x10
+
 #define IS31FL3731_I2C_ADDRESS_GND 0x74
 #define IS31FL3731_I2C_ADDRESS_SCL 0x75
 #define IS31FL3731_I2C_ADDRESS_SDA 0x76
diff --git a/drivers/led/issi/is31fl3733-simple.c b/drivers/led/issi/is31fl3733-simple.c
index 63e9f533e2..9f2444c253 100644
--- a/drivers/led/issi/is31fl3733-simple.c
+++ b/drivers/led/issi/is31fl3733-simple.c
@@ -23,22 +23,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3733_COMMANDREGISTER 0xFD
-#define IS31FL3733_COMMANDREGISTER_WRITELOCK 0xFE
-#define IS31FL3733_INTERRUPTMASKREGISTER 0xF0
-#define IS31FL3733_INTERRUPTSTATUSREGISTER 0xF1
-
-#define IS31FL3733_PAGE_LEDCONTROL 0x00 // PG0
-#define IS31FL3733_PAGE_PWM 0x01        // PG1
-#define IS31FL3733_PAGE_AUTOBREATH 0x02 // PG2
-#define IS31FL3733_PAGE_FUNCTION 0x03   // PG3
-
-#define IS31FL3733_REG_CONFIGURATION 0x00 // PG3
-#define IS31FL3733_REG_GLOBALCURRENT 0x01 // PG3
-#define IS31FL3733_REG_RESET 0x11         // PG3
-#define IS31FL3733_REG_SW_PULLUP 0x0F     // PG3
-#define IS31FL3733_REG_CS_PULLDOWN 0x10   // PG3
-
 #define IS31FL3733_PWM_REGISTER_COUNT 192
 #define IS31FL3733_LED_CONTROL_REGISTER_COUNT 24
 
@@ -62,8 +46,8 @@
 #    define IS31FL3733_CSPULLDOWN IS31FL3733_PDR_0_OHM
 #endif
 
-#ifndef IS31FL3733_GLOBALCURRENT
-#    define IS31FL3733_GLOBALCURRENT 0xFF
+#ifndef IS31FL3733_GLOBAL_CURRENT
+#    define IS31FL3733_GLOBAL_CURRENT 0xFF
 #endif
 
 #ifndef IS31FL3733_SYNC_1
@@ -180,20 +164,20 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
     // Sync is passed so set it according to the datasheet.
 
     // Unlock the command register.
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG0
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
     // Turn off all LEDs.
     for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
         is31fl3733_write_register(addr, i, 0x00);
     }
 
     // Unlock the command register.
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG1
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
     // Set PWM on all LEDs to 0
     // No need to setup Breath registers to PWM as that is the default.
     for (int i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i++) {
@@ -201,18 +185,18 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
     }
 
     // Unlock the command register.
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG3
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_FUNCTION);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_FUNCTION);
     // Set de-ghost pull-up resistors (SWx)
-    is31fl3733_write_register(addr, IS31FL3733_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
+    is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
     // Set de-ghost pull-down resistors (CSx)
-    is31fl3733_write_register(addr, IS31FL3733_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
+    is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
     // Set global current to maximum.
-    is31fl3733_write_register(addr, IS31FL3733_REG_GLOBALCURRENT, IS31FL3733_GLOBALCURRENT);
+    is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3733_GLOBAL_CURRENT);
     // Disable software shutdown.
-    is31fl3733_write_register(addr, IS31FL3733_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
+    is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
 
     // Wait 10ms to ensure the device has woken up.
     wait_ms(10);
@@ -256,8 +240,8 @@ void is31fl3733_set_led_control_register(uint8_t index, bool value) {
 void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         // Firstly we need to unlock the command register and select PG1.
-        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);
+        is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
 
         // If any of the transactions fail we risk writing dirty PG0,
         // refresh page 0 just in case.
@@ -271,8 +255,8 @@ void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
 void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
         // Firstly we need to unlock the command register and select PG0
-        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
+        is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
         for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
             is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
         }
diff --git a/drivers/led/issi/is31fl3733-simple.h b/drivers/led/issi/is31fl3733-simple.h
index 201d3ff788..c37b1fe5f2 100644
--- a/drivers/led/issi/is31fl3733-simple.h
+++ b/drivers/led/issi/is31fl3733-simple.h
@@ -42,7 +42,7 @@
 #    define IS31FL3733_CS_PULLDOWN ISSI_CSPULLUP
 #endif
 #ifdef ISSI_GLOBALCURRENT
-#    define IS31FL3733_GLOBALCURRENT ISSI_GLOBALCURRENT
+#    define IS31FL3733_GLOBAL_CURRENT ISSI_GLOBALCURRENT
 #endif
 
 #define is31_led is31fl3733_led_t
@@ -57,6 +57,25 @@
 #define PUR_32KR IS31FL3733_PUR_32K_OHM
 // ========
 
+#define IS31FL3733_REG_INTERRUPT_MASK 0xF0
+#define IS31FL3733_REG_INTERRUPT_STATUS 0xF1
+
+#define IS31FL3733_REG_COMMAND 0xFD
+
+#define IS31FL3733_COMMAND_LED_CONTROL 0x00
+#define IS31FL3733_COMMAND_PWM 0x01
+#define IS31FL3733_COMMAND_AUTO_BREATH 0x02
+#define IS31FL3733_COMMAND_FUNCTION 0x03
+
+#define IS31FL3733_FUNCTION_REG_CONFIGURATION 0x00
+#define IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT 0x01
+#define IS31FL3733_FUNCTION_REG_SW_PULLUP 0x0F
+#define IS31FL3733_FUNCTION_REG_CS_PULLDOWN 0x10
+#define IS31FL3733_FUNCTION_REG_RESET 0x11
+
+#define IS31FL3733_REG_COMMAND_WRITE_LOCK 0xFE
+#define IS31FL3733_COMMAND_WRITE_LOCK_MAGIC 0xC5
+
 #define IS31FL3733_I2C_ADDRESS_GND_GND 0x50
 #define IS31FL3733_I2C_ADDRESS_GND_SCL 0x51
 #define IS31FL3733_I2C_ADDRESS_GND_SDA 0x52
diff --git a/drivers/led/issi/is31fl3733.c b/drivers/led/issi/is31fl3733.c
index 5a5f352a6a..5857a800d7 100644
--- a/drivers/led/issi/is31fl3733.c
+++ b/drivers/led/issi/is31fl3733.c
@@ -22,22 +22,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3733_COMMANDREGISTER 0xFD
-#define IS31FL3733_COMMANDREGISTER_WRITELOCK 0xFE
-#define IS31FL3733_INTERRUPTMASKREGISTER 0xF0
-#define IS31FL3733_INTERRUPTSTATUSREGISTER 0xF1
-
-#define IS31FL3733_PAGE_LEDCONTROL 0x00 // PG0
-#define IS31FL3733_PAGE_PWM 0x01        // PG1
-#define IS31FL3733_PAGE_AUTOBREATH 0x02 // PG2
-#define IS31FL3733_PAGE_FUNCTION 0x03   // PG3
-
-#define IS31FL3733_REG_CONFIGURATION 0x00 // PG3
-#define IS31FL3733_REG_GLOBALCURRENT 0x01 // PG3
-#define IS31FL3733_REG_RESET 0x11         // PG3
-#define IS31FL3733_REG_SW_PULLUP 0x0F     // PG3
-#define IS31FL3733_REG_CS_PULLDOWN 0x10   // PG3
-
 #define IS31FL3733_PWM_REGISTER_COUNT 192
 #define IS31FL3733_LED_CONTROL_REGISTER_COUNT 24
 
@@ -61,8 +45,8 @@
 #    define IS31FL3733_CS_PULLDOWN IS31FL3733_PDR_0_OHM
 #endif
 
-#ifndef IS31FL3733_GLOBALCURRENT
-#    define IS31FL3733_GLOBALCURRENT 0xFF
+#ifndef IS31FL3733_GLOBAL_CURRENT
+#    define IS31FL3733_GLOBAL_CURRENT 0xFF
 #endif
 
 #ifndef IS31FL3733_SYNC_1
@@ -179,20 +163,20 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
     // Sync is passed so set it according to the datasheet.
 
     // Unlock the command register.
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG0
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
     // Turn off all LEDs.
     for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
         is31fl3733_write_register(addr, i, 0x00);
     }
 
     // Unlock the command register.
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG1
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
     // Set PWM on all LEDs to 0
     // No need to setup Breath registers to PWM as that is the default.
     for (int i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i++) {
@@ -200,18 +184,18 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
     }
 
     // Unlock the command register.
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG3
-    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_FUNCTION);
+    is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_FUNCTION);
     // Set de-ghost pull-up resistors (SWx)
-    is31fl3733_write_register(addr, IS31FL3733_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
+    is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
     // Set de-ghost pull-down resistors (CSx)
-    is31fl3733_write_register(addr, IS31FL3733_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
+    is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
     // Set global current to maximum.
-    is31fl3733_write_register(addr, IS31FL3733_REG_GLOBALCURRENT, IS31FL3733_GLOBALCURRENT);
+    is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3733_GLOBAL_CURRENT);
     // Disable software shutdown.
-    is31fl3733_write_register(addr, IS31FL3733_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
+    is31fl3733_write_register(addr, IS31FL3733_FUNCTION_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
 
     // Wait 10ms to ensure the device has woken up.
     wait_ms(10);
@@ -271,8 +255,8 @@ void is31fl3733_set_led_control_register(uint8_t index, bool red, bool green, bo
 void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         // Firstly we need to unlock the command register and select PG1.
-        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);
+        is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
 
         // If any of the transactions fail we risk writing dirty PG0,
         // refresh page 0 just in case.
@@ -286,8 +270,8 @@ void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
 void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
         // Firstly we need to unlock the command register and select PG0
-        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
+        is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
         for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
             is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
         }
diff --git a/drivers/led/issi/is31fl3733.h b/drivers/led/issi/is31fl3733.h
index c86aa9ee1e..20804b016b 100644
--- a/drivers/led/issi/is31fl3733.h
+++ b/drivers/led/issi/is31fl3733.h
@@ -65,7 +65,7 @@
 #    define IS31FL3733_CS_PULLDOWN ISSI_CSPULLUP
 #endif
 #ifdef ISSI_GLOBALCURRENT
-#    define IS31FL3733_GLOBALCURRENT ISSI_GLOBALCURRENT
+#    define IS31FL3733_GLOBAL_CURRENT ISSI_GLOBALCURRENT
 #endif
 
 #define is31_led is31fl3733_led_t
@@ -80,6 +80,25 @@
 #define PUR_32KR IS31FL3733_PUR_32K_OHM
 // ========
 
+#define IS31FL3733_REG_INTERRUPT_MASK 0xF0
+#define IS31FL3733_REG_INTERRUPT_STATUS 0xF1
+
+#define IS31FL3733_REG_COMMAND 0xFD
+
+#define IS31FL3733_COMMAND_LED_CONTROL 0x00
+#define IS31FL3733_COMMAND_PWM 0x01
+#define IS31FL3733_COMMAND_AUTO_BREATH 0x02
+#define IS31FL3733_COMMAND_FUNCTION 0x03
+
+#define IS31FL3733_FUNCTION_REG_CONFIGURATION 0x00
+#define IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT 0x01
+#define IS31FL3733_FUNCTION_REG_SW_PULLUP 0x0F
+#define IS31FL3733_FUNCTION_REG_CS_PULLDOWN 0x10
+#define IS31FL3733_FUNCTION_REG_RESET 0x11
+
+#define IS31FL3733_REG_COMMAND_WRITE_LOCK 0xFE
+#define IS31FL3733_COMMAND_WRITE_LOCK_MAGIC 0xC5
+
 #define IS31FL3733_I2C_ADDRESS_GND_GND 0x50
 #define IS31FL3733_I2C_ADDRESS_GND_SCL 0x51
 #define IS31FL3733_I2C_ADDRESS_GND_SDA 0x52
diff --git a/drivers/led/issi/is31fl3736-simple.c b/drivers/led/issi/is31fl3736-simple.c
index e0d76d07c6..e1cce3c48a 100644
--- a/drivers/led/issi/is31fl3736-simple.c
+++ b/drivers/led/issi/is31fl3736-simple.c
@@ -20,22 +20,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3736_COMMANDREGISTER 0xFD
-#define IS31FL3736_COMMANDREGISTER_WRITELOCK 0xFE
-#define IS31FL3736_INTERRUPTMASKREGISTER 0xF0
-#define IS31FL3736_INTERRUPTSTATUSREGISTER 0xF1
-
-#define IS31FL3736_PAGE_LEDCONTROL 0x00 // PG0
-#define IS31FL3736_PAGE_PWM 0x01        // PG1
-#define IS31FL3736_PAGE_AUTOBREATH 0x02 // PG2
-#define IS31FL3736_PAGE_FUNCTION 0x03   // PG3
-
-#define IS31FL3736_REG_CONFIGURATION 0x00 // PG3
-#define IS31FL3736_REG_GLOBALCURRENT 0x01 // PG3
-#define IS31FL3736_REG_RESET 0x11         // PG3
-#define IS31FL3736_REG_SW_PULLUP 0x0F     // PG3
-#define IS31FL3736_REG_CS_PULLDOWN 0x10   // PG3
-
 #define IS31FL3736_PWM_REGISTER_COUNT 192 // actually 96
 #define IS31FL3736_LED_CONTROL_REGISTER_COUNT 24
 
@@ -59,8 +43,8 @@
 #    define IS31FL3736_CS_PULLDOWN IS31FL3736_PDR_0_OHM
 #endif
 
-#ifndef IS31FL3736_GLOBALCURRENT
-#    define IS31FL3736_GLOBALCURRENT 0xFF
+#ifndef IS31FL3736_GLOBAL_CURRENT
+#    define IS31FL3736_GLOBAL_CURRENT 0xFF
 #endif
 
 // Transfer buffer for TWITransmitData()
@@ -152,20 +136,20 @@ void is31fl3736_init(uint8_t addr) {
     // then disable software shutdown.
 
     // Unlock the command register.
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG0
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_LED_CONTROL);
     // Turn off all LEDs.
     for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
         is31fl3736_write_register(addr, i, 0x00);
     }
 
     // Unlock the command register.
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG1
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_PWM);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_PWM);
     // Set PWM on all LEDs to 0
     // No need to setup Breath registers to PWM as that is the default.
     for (int i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; i++) {
@@ -173,18 +157,18 @@ void is31fl3736_init(uint8_t addr) {
     }
 
     // Unlock the command register.
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG3
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_FUNCTION);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_FUNCTION);
     // Set de-ghost pull-up resistors (SWx)
-    is31fl3736_write_register(addr, IS31FL3736_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
+    is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
     // Set de-ghost pull-down resistors (CSx)
-    is31fl3736_write_register(addr, IS31FL3736_REG_CS_PULLDOWN, IS31FL3736_CS_PULLDOWN);
+    is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_CS_PULLDOWN, IS31FL3736_CS_PULLDOWN);
     // Set global current to maximum.
-    is31fl3736_write_register(addr, IS31FL3736_REG_GLOBALCURRENT, IS31FL3736_GLOBALCURRENT);
+    is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3736_GLOBAL_CURRENT);
     // Disable software shutdown.
-    is31fl3736_write_register(addr, IS31FL3736_REG_CONFIGURATION, ((IS31FL3736_PWM_FREQUENCY & 0b111) << 3) | 0x01);
+    is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_CONFIGURATION, ((IS31FL3736_PWM_FREQUENCY & 0b111) << 3) | 0x01);
 
     // Wait 10ms to ensure the device has woken up.
     wait_ms(10);
@@ -234,8 +218,8 @@ void is31fl3736_set_led_control_register(uint8_t index, bool value) {
 void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         // Firstly we need to unlock the command register and select PG1
-        is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_PWM);
+        is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_PWM);
 
         is31fl3736_write_pwm_buffer(addr, g_pwm_buffer[index]);
         g_pwm_buffer_update_required[index] = false;
@@ -245,8 +229,8 @@ void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
 void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
         // Firstly we need to unlock the command register and select PG0
-        is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL);
+        is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_LED_CONTROL);
         for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
             is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
         }
diff --git a/drivers/led/issi/is31fl3736-simple.h b/drivers/led/issi/is31fl3736-simple.h
index 9ff9c650aa..a73a872545 100644
--- a/drivers/led/issi/is31fl3736-simple.h
+++ b/drivers/led/issi/is31fl3736-simple.h
@@ -36,7 +36,7 @@
 #    define IS31FL3736_CS_PULLDOWN ISSI_CSPULLUP
 #endif
 #ifdef ISSI_GLOBALCURRENT
-#    define IS31FL3736_GLOBALCURRENT ISSI_GLOBALCURRENT
+#    define IS31FL3736_GLOBAL_CURRENT ISSI_GLOBALCURRENT
 #endif
 
 #define is31_led is31fl3736_led_t
@@ -52,6 +52,25 @@
 #define PUR_32KR IS31FL3736_PUR_32K_OHM
 // ========
 
+#define IS31FL3736_REG_INTERRUPT_MASK 0xF0
+#define IS31FL3736_REG_INTERRUPT_STATUS 0xF1
+
+#define IS31FL3736_REG_COMMAND 0xFD
+
+#define IS31FL3736_COMMAND_LED_CONTROL 0x00
+#define IS31FL3736_COMMAND_PWM 0x01
+#define IS31FL3736_COMMAND_AUTO_BREATH 0x02
+#define IS31FL3736_COMMAND_FUNCTION 0x03
+
+#define IS31FL3736_FUNCTION_REG_CONFIGURATION 0x00
+#define IS31FL3736_FUNCTION_REG_GLOBAL_CURRENT 0x01
+#define IS31FL3736_FUNCTION_REG_SW_PULLUP 0x0F
+#define IS31FL3736_FUNCTION_REG_CS_PULLDOWN 0x10
+#define IS31FL3736_FUNCTION_REG_RESET 0x11
+
+#define IS31FL3736_REG_COMMAND_WRITE_LOCK 0xFE
+#define IS31FL3736_COMMAND_WRITE_LOCK_MAGIC 0xC5
+
 #define IS31FL3736_I2C_ADDRESS_GND_GND 0x50
 #define IS31FL3736_I2C_ADDRESS_GND_SCL 0x51
 #define IS31FL3736_I2C_ADDRESS_GND_SDA 0x52
diff --git a/drivers/led/issi/is31fl3736.c b/drivers/led/issi/is31fl3736.c
index 0e3205f19b..30ab796f3e 100644
--- a/drivers/led/issi/is31fl3736.c
+++ b/drivers/led/issi/is31fl3736.c
@@ -20,22 +20,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3736_COMMANDREGISTER 0xFD
-#define IS31FL3736_COMMANDREGISTER_WRITELOCK 0xFE
-#define IS31FL3736_INTERRUPTMASKREGISTER 0xF0
-#define IS31FL3736_INTERRUPTSTATUSREGISTER 0xF1
-
-#define IS31FL3736_PAGE_LEDCONTROL 0x00 // PG0
-#define IS31FL3736_PAGE_PWM 0x01        // PG1
-#define IS31FL3736_PAGE_AUTOBREATH 0x02 // PG2
-#define IS31FL3736_PAGE_FUNCTION 0x03   // PG3
-
-#define IS31FL3736_REG_CONFIGURATION 0x00 // PG3
-#define IS31FL3736_REG_GLOBALCURRENT 0x01 // PG3
-#define IS31FL3736_REG_RESET 0x11         // PG3
-#define IS31FL3736_REG_SW_PULLUP 0x0F     // PG3
-#define IS31FL3736_REG_CS_PULLDOWN 0x10   // PG3
-
 #define IS31FL3736_PWM_REGISTER_COUNT 192 // actually 96
 #define IS31FL3736_LED_CONTROL_REGISTER_COUNT 24
 
@@ -59,8 +43,8 @@
 #    define IS31FL3736_CS_PULLDOWN IS31FL3736_PDR_0_OHM
 #endif
 
-#ifndef IS31FL3736_GLOBALCURRENT
-#    define IS31FL3736_GLOBALCURRENT 0xFF
+#ifndef IS31FL3736_GLOBAL_CURRENT
+#    define IS31FL3736_GLOBAL_CURRENT 0xFF
 #endif
 
 // Transfer buffer for TWITransmitData()
@@ -152,20 +136,20 @@ void is31fl3736_init(uint8_t addr) {
     // then disable software shutdown.
 
     // Unlock the command register.
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG0
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_REG_LED_CONTROL);
     // Turn off all LEDs.
     for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
         is31fl3736_write_register(addr, i, 0x00);
     }
 
     // Unlock the command register.
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITELOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG1
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_PWM);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_PWM);
     // Set PWM on all LEDs to 0
     // No need to setup Breath registers to PWM as that is the default.
     for (int i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; i++) {
@@ -173,18 +157,18 @@ void is31fl3736_init(uint8_t addr) {
     }
 
     // Unlock the command register.
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG3
-    is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_FUNCTION);
+    is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_FUNCTION);
     // Set de-ghost pull-up resistors (SWx)
-    is31fl3736_write_register(addr, IS31FL3736_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
+    is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_SW_PULLUP, IS31FL3736_SW_PULLUP);
     // Set de-ghost pull-down resistors (CSx)
-    is31fl3736_write_register(addr, IS31FL3736_REG_CS_PULLDOWN, IS31FL3736_CS_PULLDOWN);
+    is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_CS_PULLDOWN, IS31FL3736_CS_PULLDOWN);
     // Set global current to maximum.
-    is31fl3736_write_register(addr, IS31FL3736_REG_GLOBALCURRENT, IS31FL3736_GLOBALCURRENT);
+    is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3736_GLOBAL_CURRENT);
     // Disable software shutdown.
-    is31fl3736_write_register(addr, IS31FL3736_REG_CONFIGURATION, ((IS31FL3736_PWM_FREQUENCY & 0b111) << 3) | 0x01);
+    is31fl3736_write_register(addr, IS31FL3736_FUNCTION_REG_CONFIGURATION, ((IS31FL3736_PWM_FREQUENCY & 0b111) << 3) | 0x01);
 
     // Wait 10ms to ensure the device has woken up.
     wait_ms(10);
@@ -251,8 +235,8 @@ void is31fl3736_set_led_control_register(uint8_t index, bool red, bool green, bo
 void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         // Firstly we need to unlock the command register and select PG1
-        is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_PWM);
+        is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_PWM);
 
         is31fl3736_write_pwm_buffer(addr, g_pwm_buffer[index]);
         g_pwm_buffer_update_required[index] = false;
@@ -262,8 +246,8 @@ void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
 void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
         // Firstly we need to unlock the command register and select PG0
-        is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL);
+        is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND_WRITE_LOCK, IS31FL3736_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3736_write_register(addr, IS31FL3736_REG_COMMAND, IS31FL3736_COMMAND_LED_CONTROL);
         for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
             is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
         }
diff --git a/drivers/led/issi/is31fl3736.h b/drivers/led/issi/is31fl3736.h
index c3fa158de7..a5710d7ed4 100644
--- a/drivers/led/issi/is31fl3736.h
+++ b/drivers/led/issi/is31fl3736.h
@@ -48,7 +48,7 @@
 #    define IS31FL3736_CS_PULLDOWN ISSI_CSPULLUP
 #endif
 #ifdef ISSI_GLOBALCURRENT
-#    define IS31FL3736_GLOBALCURRENT ISSI_GLOBALCURRENT
+#    define IS31FL3736_GLOBAL_CURRENT ISSI_GLOBALCURRENT
 #endif
 
 #define is31_led is31fl3736_led_t
@@ -64,6 +64,25 @@
 #define PUR_32KR IS31FL3736_PUR_32K_OHM
 // ========
 
+#define IS31FL3736_REG_INTERRUPT_MASK 0xF0
+#define IS31FL3736_REG_INTERRUPT_STATUS 0xF1
+
+#define IS31FL3736_REG_COMMAND 0xFD
+
+#define IS31FL3736_COMMAND_LED_CONTROL 0x00
+#define IS31FL3736_COMMAND_PWM 0x01
+#define IS31FL3736_COMMAND_AUTO_BREATH 0x02
+#define IS31FL3736_COMMAND_FUNCTION 0x03
+
+#define IS31FL3736_FUNCTION_REG_CONFIGURATION 0x00
+#define IS31FL3736_FUNCTION_REG_GLOBAL_CURRENT 0x01
+#define IS31FL3736_FUNCTION_REG_SW_PULLUP 0x0F
+#define IS31FL3736_FUNCTION_REG_CS_PULLDOWN 0x10
+#define IS31FL3736_FUNCTION_REG_RESET 0x11
+
+#define IS31FL3736_REG_COMMAND_WRITE_LOCK 0xFE
+#define IS31FL3736_COMMAND_WRITE_LOCK_MAGIC 0xC5
+
 #define IS31FL3736_I2C_ADDRESS_GND_GND 0x50
 #define IS31FL3736_I2C_ADDRESS_GND_SCL 0x51
 #define IS31FL3736_I2C_ADDRESS_GND_SDA 0x52
diff --git a/drivers/led/issi/is31fl3737-simple.c b/drivers/led/issi/is31fl3737-simple.c
index 904b7c65bd..7f641f4ca5 100644
--- a/drivers/led/issi/is31fl3737-simple.c
+++ b/drivers/led/issi/is31fl3737-simple.c
@@ -22,22 +22,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3737_COMMANDREGISTER 0xFD
-#define IS31FL3737_COMMANDREGISTER_WRITELOCK 0xFE
-#define IS31FL3737_INTERRUPTMASKREGISTER 0xF0
-#define IS31FL3737_INTERRUPTSTATUSREGISTER 0xF1
-
-#define IS31FL3737_PAGE_LEDCONTROL 0x00 // PG0
-#define IS31FL3737_PAGE_PWM 0x01        // PG1
-#define IS31FL3737_PAGE_AUTOBREATH 0x02 // PG2
-#define IS31FL3737_PAGE_FUNCTION 0x03   // PG3
-
-#define IS31FL3737_REG_CONFIGURATION 0x00 // PG3
-#define IS31FL3737_REG_GLOBALCURRENT 0x01 // PG3
-#define IS31FL3737_REG_RESET 0x11         // PG3
-#define IS31FL3737_REG_SW_PULLUP 0x0F     // PG3
-#define IS31FL3737_REG_CS_PULLDOWN 0x10   // PG3
-
 #define IS31FL3737_PWM_REGISTER_COUNT 192 // actually 144
 #define IS31FL3737_LED_CONTROL_REGISTER_COUNT 24
 
@@ -61,8 +45,8 @@
 #    define IS31FL3737_CS_PULLDOWN IS31FL3737_PDR_0_OHM
 #endif
 
-#ifndef IS31FL3737_GLOBALCURRENT
-#    define IS31FL3737_GLOBALCURRENT 0xFF
+#ifndef IS31FL3737_GLOBAL_CURRENT
+#    define IS31FL3737_GLOBAL_CURRENT 0xFF
 #endif
 
 // Transfer buffer for TWITransmitData()
@@ -155,20 +139,20 @@ void is31fl3737_init(uint8_t addr) {
     // then disable software shutdown.
 
     // Unlock the command register.
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG0
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_LED_CONTROL);
     // Turn off all LEDs.
     for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
         is31fl3737_write_register(addr, i, 0x00);
     }
 
     // Unlock the command register.
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG1
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_PWM);
     // Set PWM on all LEDs to 0
     // No need to setup Breath registers to PWM as that is the default.
     for (int i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i++) {
@@ -176,18 +160,18 @@ void is31fl3737_init(uint8_t addr) {
     }
 
     // Unlock the command register.
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG3
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_FUNCTION);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_FUNCTION);
     // Set de-ghost pull-up resistors (SWx)
-    is31fl3737_write_register(addr, IS31FL3737_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
+    is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
     // Set de-ghost pull-down resistors (CSx)
-    is31fl3737_write_register(addr, IS31FL3737_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN);
+    is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN);
     // Set global current to maximum.
-    is31fl3737_write_register(addr, IS31FL3737_REG_GLOBALCURRENT, IS31FL3737_GLOBALCURRENT);
+    is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3737_GLOBAL_CURRENT);
     // Disable software shutdown.
-    is31fl3737_write_register(addr, IS31FL3737_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
+    is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
 
     // Wait 10ms to ensure the device has woken up.
     wait_ms(10);
@@ -231,8 +215,8 @@ void is31fl3737_set_led_control_register(uint8_t index, bool value) {
 void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         // Firstly we need to unlock the command register and select PG1
-        is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
+        is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_PWM);
 
         is31fl3737_write_pwm_buffer(addr, g_pwm_buffer[index]);
         g_pwm_buffer_update_required[index] = false;
@@ -242,8 +226,8 @@ void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
 void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
         // Firstly we need to unlock the command register and select PG0
-        is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
+        is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_LED_CONTROL);
         for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
             is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
         }
diff --git a/drivers/led/issi/is31fl3737-simple.h b/drivers/led/issi/is31fl3737-simple.h
index 36125518c6..2658702b1b 100644
--- a/drivers/led/issi/is31fl3737-simple.h
+++ b/drivers/led/issi/is31fl3737-simple.h
@@ -41,7 +41,7 @@
 #    define IS31FL3737_CS_PULLDOWN ISSI_CSPULLUP
 #endif
 #ifdef ISSI_GLOBALCURRENT
-#    define IS31FL3737_GLOBALCURRENT ISSI_GLOBALCURRENT
+#    define IS31FL3737_GLOBAL_CURRENT ISSI_GLOBALCURRENT
 #endif
 
 #define PUR_0R IS31FL3737_PUR_0_OHM
@@ -54,6 +54,25 @@
 #define PUR_32KR IS31FL3737_PUR_32K_OHM
 // ========
 
+#define IS31FL3737_REG_INTERRUPT_MASK 0xF0
+#define IS31FL3737_REG_INTERRUPT_STATUS 0xF1
+
+#define IS31FL3737_REG_COMMAND 0xFD
+
+#define IS31FL3737_COMMAND_LED_CONTROL 0x00
+#define IS31FL3737_COMMAND_PWM 0x01
+#define IS31FL3737_COMMAND_AUTO_BREATH 0x02
+#define IS31FL3737_COMMAND_FUNCTION 0x03
+
+#define IS31FL3737_FUNCTION_REG_CONFIGURATION 0x00
+#define IS31FL3737_FUNCTION_REG_GLOBAL_CURRENT 0x01
+#define IS31FL3737_FUNCTION_REG_SW_PULLUP 0x0F
+#define IS31FL3737_FUNCTION_REG_CS_PULLDOWN 0x10
+#define IS31FL3737_FUNCTION_REG_RESET 0x11
+
+#define IS31FL3737_REG_COMMAND_WRITE_LOCK 0xFE
+#define IS31FL3737_COMMAND_WRITE_LOCK_MAGIC 0xC5
+
 #define IS31FL3737_I2C_ADDRESS_GND 0x50
 #define IS31FL3737_I2C_ADDRESS_SCL 0x55
 #define IS31FL3737_I2C_ADDRESS_SDA 0x5A
diff --git a/drivers/led/issi/is31fl3737.c b/drivers/led/issi/is31fl3737.c
index 27860558a5..a458431952 100644
--- a/drivers/led/issi/is31fl3737.c
+++ b/drivers/led/issi/is31fl3737.c
@@ -22,22 +22,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3737_COMMANDREGISTER 0xFD
-#define IS31FL3737_COMMANDREGISTER_WRITELOCK 0xFE
-#define IS31FL3737_INTERRUPTMASKREGISTER 0xF0
-#define IS31FL3737_INTERRUPTSTATUSREGISTER 0xF1
-
-#define IS31FL3737_PAGE_LEDCONTROL 0x00 // PG0
-#define IS31FL3737_PAGE_PWM 0x01        // PG1
-#define IS31FL3737_PAGE_AUTOBREATH 0x02 // PG2
-#define IS31FL3737_PAGE_FUNCTION 0x03   // PG3
-
-#define IS31FL3737_REG_CONFIGURATION 0x00 // PG3
-#define IS31FL3737_REG_GLOBALCURRENT 0x01 // PG3
-#define IS31FL3737_REG_RESET 0x11         // PG3
-#define IS31FL3737_REG_SW_PULLUP 0x0F     // PG3
-#define IS31FL3737_REG_CS_PULLDOWN 0x10   // PG3
-
 #define IS31FL3737_PWM_REGISTER_COUNT 192 // actually 144
 #define IS31FL3737_LED_CONTROL_REGISTER_COUNT 24
 
@@ -61,8 +45,8 @@
 #    define IS31FL3737_CS_PULLDOWN IS31FL3737_PDR_0_OHM
 #endif
 
-#ifndef IS31FL3737_GLOBALCURRENT
-#    define IS31FL3737_GLOBALCURRENT 0xFF
+#ifndef IS31FL3737_GLOBAL_CURRENT
+#    define IS31FL3737_GLOBAL_CURRENT 0xFF
 #endif
 
 // Transfer buffer for TWITransmitData()
@@ -155,20 +139,20 @@ void is31fl3737_init(uint8_t addr) {
     // then disable software shutdown.
 
     // Unlock the command register.
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG0
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_LED_CONTROL);
     // Turn off all LEDs.
     for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
         is31fl3737_write_register(addr, i, 0x00);
     }
 
     // Unlock the command register.
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG1
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_PWM);
     // Set PWM on all LEDs to 0
     // No need to setup Breath registers to PWM as that is the default.
     for (int i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i++) {
@@ -176,18 +160,18 @@ void is31fl3737_init(uint8_t addr) {
     }
 
     // Unlock the command register.
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG3
-    is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_FUNCTION);
+    is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_FUNCTION);
     // Set de-ghost pull-up resistors (SWx)
-    is31fl3737_write_register(addr, IS31FL3737_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
+    is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_SW_PULLUP, IS31FL3737_SW_PULLUP);
     // Set de-ghost pull-down resistors (CSx)
-    is31fl3737_write_register(addr, IS31FL3737_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN);
+    is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CS_PULLDOWN, IS31FL3737_CS_PULLDOWN);
     // Set global current to maximum.
-    is31fl3737_write_register(addr, IS31FL3737_REG_GLOBALCURRENT, IS31FL3737_GLOBALCURRENT);
+    is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3737_GLOBAL_CURRENT);
     // Disable software shutdown.
-    is31fl3737_write_register(addr, IS31FL3737_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
+    is31fl3737_write_register(addr, IS31FL3737_FUNCTION_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
 
     // Wait 10ms to ensure the device has woken up.
     wait_ms(10);
@@ -247,8 +231,8 @@ void is31fl3737_set_led_control_register(uint8_t index, bool red, bool green, bo
 void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         // Firstly we need to unlock the command register and select PG1
-        is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
+        is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_PWM);
 
         is31fl3737_write_pwm_buffer(addr, g_pwm_buffer[index]);
         g_pwm_buffer_update_required[index] = false;
@@ -258,8 +242,8 @@ void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
 void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
         // Firstly we need to unlock the command register and select PG0
-        is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
+        is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND_WRITE_LOCK, IS31FL3737_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3737_write_register(addr, IS31FL3737_REG_COMMAND, IS31FL3737_COMMAND_LED_CONTROL);
         for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
             is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
         }
diff --git a/drivers/led/issi/is31fl3737.h b/drivers/led/issi/is31fl3737.h
index 6a2f301052..8de3bf4ef5 100644
--- a/drivers/led/issi/is31fl3737.h
+++ b/drivers/led/issi/is31fl3737.h
@@ -53,7 +53,7 @@
 #    define IS31FL3737_CS_PULLDOWN ISSI_CSPULLUP
 #endif
 #ifdef ISSI_GLOBALCURRENT
-#    define IS31FL3737_GLOBALCURRENT ISSI_GLOBALCURRENT
+#    define IS31FL3737_GLOBAL_CURRENT ISSI_GLOBALCURRENT
 #endif
 
 #define is31_led is31fl3737_led_t
@@ -69,6 +69,25 @@
 #define PUR_32KR IS31FL3737_PUR_32K_OHM
 // ========
 
+#define IS31FL3737_REG_INTERRUPT_MASK 0xF0
+#define IS31FL3737_REG_INTERRUPT_STATUS 0xF1
+
+#define IS31FL3737_REG_COMMAND 0xFD
+
+#define IS31FL3737_COMMAND_LED_CONTROL 0x00
+#define IS31FL3737_COMMAND_PWM 0x01
+#define IS31FL3737_COMMAND_AUTO_BREATH 0x02
+#define IS31FL3737_COMMAND_FUNCTION 0x03
+
+#define IS31FL3737_FUNCTION_REG_CONFIGURATION 0x00
+#define IS31FL3737_FUNCTION_REG_GLOBAL_CURRENT 0x01
+#define IS31FL3737_FUNCTION_REG_SW_PULLUP 0x0F
+#define IS31FL3737_FUNCTION_REG_CS_PULLDOWN 0x10
+#define IS31FL3737_FUNCTION_REG_RESET 0x11
+
+#define IS31FL3737_REG_COMMAND_WRITE_LOCK 0xFE
+#define IS31FL3737_COMMAND_WRITE_LOCK_MAGIC 0xC5
+
 #define IS31FL3737_I2C_ADDRESS_GND 0x50
 #define IS31FL3737_I2C_ADDRESS_SCL 0x55
 #define IS31FL3737_I2C_ADDRESS_SDA 0x5A
diff --git a/drivers/led/issi/is31fl3741-simple.c b/drivers/led/issi/is31fl3741-simple.c
index 582551c05e..f7009853ba 100644
--- a/drivers/led/issi/is31fl3741-simple.c
+++ b/drivers/led/issi/is31fl3741-simple.c
@@ -22,24 +22,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3741_COMMANDREGISTER 0xFD
-#define IS31FL3741_COMMANDREGISTER_WRITELOCK 0xFE
-#define IS31FL3741_INTERRUPTMASKREGISTER 0xF0
-#define IS31FL3741_INTERRUPTSTATUSREGISTER 0xF1
-#define IS31FL3741_IDREGISTER 0xFC
-
-#define IS31FL3741_PAGE_PWM0 0x00      // PG0
-#define IS31FL3741_PAGE_PWM1 0x01      // PG1
-#define IS31FL3741_PAGE_SCALING_0 0x02 // PG2
-#define IS31FL3741_PAGE_SCALING_1 0x03 // PG3
-#define IS31FL3741_PAGE_FUNCTION 0x04  // PG4
-
-#define IS31FL3741_REG_CONFIGURATION 0x00 // PG4
-#define IS31FL3741_REG_GLOBALCURRENT 0x01 // PG4
-#define IS31FL3741_REG_PULLDOWNUP 0x02    // PG4
-#define IS31FL3741_REG_PWM_FREQUENCY 0x36 // PG4
-#define IS31FL3741_REG_RESET 0x3F         // PG4
-
 #define IS31FL3741_PWM_REGISTER_COUNT 351
 
 #ifndef IS31FL3741_I2C_TIMEOUT
@@ -66,8 +48,8 @@
 #    define IS31FL3741_CS_PULLDOWN IS31FL3741_PDR_32K_OHM
 #endif
 
-#ifndef IS31FL3741_GLOBALCURRENT
-#    define IS31FL3741_GLOBALCURRENT 0xFF
+#ifndef IS31FL3741_GLOBAL_CURRENT
+#    define IS31FL3741_GLOBAL_CURRENT 0xFF
 #endif
 
 // Transfer buffer for TWITransmitData()
@@ -104,8 +86,8 @@ bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     for (int i = 0; i < 342; i += 18) {
         if (i == 180) {
             // unlock the command register and select PG1
-            is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
-            is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_PWM1);
+            is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
+            is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_1);
         }
 
         g_twi_transfer_buffer[0] = i % 180;
@@ -181,20 +163,20 @@ void is31fl3741_init(uint8_t addr) {
     // Unlock the command register.
 
     // Unlock the command register.
-    is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG4
-    is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_FUNCTION);
+    is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_FUNCTION);
 
     // Set to Normal operation
-    is31fl3741_write_register(addr, IS31FL3741_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
+    is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
 
     // Set Golbal Current Control Register
-    is31fl3741_write_register(addr, IS31FL3741_REG_GLOBALCURRENT, IS31FL3741_GLOBALCURRENT);
+    is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3741_GLOBAL_CURRENT);
     // Set Pull up & Down for SWx CSy
-    is31fl3741_write_register(addr, IS31FL3741_REG_PULLDOWNUP, ((IS31FL3741_CS_PULLDOWN << 4) | IS31FL3741_SW_PULLUP));
+    is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PULLDOWNUP, ((IS31FL3741_CS_PULLDOWN << 4) | IS31FL3741_SW_PULLUP));
     // Set PWM frequency
-    is31fl3741_write_register(addr, IS31FL3741_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111));
+    is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111));
 
     // is31fl3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF);
 
@@ -237,8 +219,8 @@ void is31fl3741_set_led_control_register(uint8_t index, bool value) {
 void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         // unlock the command register and select PG2
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_PWM0);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_0);
 
         is31fl3741_write_pwm_buffer(addr, g_pwm_buffer[index]);
     }
@@ -255,8 +237,8 @@ void is31fl3741_set_pwm_buffer(const is31fl3741_led_t *pled, uint8_t value) {
 void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_scaling_registers_update_required[index]) {
         // unlock the command register and select PG2
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_SCALING_0);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_SCALING_0);
 
         // CS1_SW1 to CS30_SW6 are on PG2
         for (int i = CS1_SW1; i <= CS30_SW6; ++i) {
@@ -264,8 +246,8 @@ void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
         }
 
         // unlock the command register and select PG3
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_SCALING_1);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_SCALING_1);
 
         // CS1_SW7 to CS39_SW9 are on PG3
         for (int i = CS1_SW7; i <= CS39_SW9; ++i) {
diff --git a/drivers/led/issi/is31fl3741-simple.h b/drivers/led/issi/is31fl3741-simple.h
index 04f0c2793a..34608a37e0 100644
--- a/drivers/led/issi/is31fl3741-simple.h
+++ b/drivers/led/issi/is31fl3741-simple.h
@@ -41,7 +41,7 @@
 #    define IS31FL3741_CS_PULLDOWN ISSI_CSPULLUP
 #endif
 #ifdef ISSI_GLOBALCURRENT
-#    define IS31FL3741_GLOBALCURRENT ISSI_GLOBALCURRENT
+#    define IS31FL3741_GLOBAL_CURRENT ISSI_GLOBALCURRENT
 #endif
 
 #define PUR_0R IS31FL3741_PUR_0_OHM
@@ -54,6 +54,27 @@
 #define PUR_32KR IS31FL3741_PUR_32K_OHM
 // ========
 
+#define IS31FL3741_REG_INTERRUPT_MASK 0xF0
+#define IS31FL3741_REG_INTERRUPT_STATUS 0xF1
+#define IS31FL3741_REG_ID 0xFC
+
+#define IS31FL3741_REG_COMMAND 0xFD
+
+#define IS31FL3741_COMMAND_PWM_0 0x00
+#define IS31FL3741_COMMAND_PWM_1 0x01
+#define IS31FL3741_COMMAND_SCALING_0 0x02
+#define IS31FL3741_COMMAND_SCALING_1 0x03
+#define IS31FL3741_COMMAND_FUNCTION 0x04
+
+#define IS31FL3741_FUNCTION_REG_CONFIGURATION 0x00
+#define IS31FL3741_FUNCTION_REG_GLOBAL_CURRENT 0x01
+#define IS31FL3741_FUNCTION_REG_PULLDOWNUP 0x02
+#define IS31FL3741_FUNCTION_REG_PWM_FREQUENCY 0x36
+#define IS31FL3741_FUNCTION_REG_RESET 0x3F
+
+#define IS31FL3741_REG_COMMAND_WRITE_LOCK 0xFE
+#define IS31FL3741_COMMAND_WRITE_LOCK_MAGIC 0xC5
+
 #define IS31FL3741_I2C_ADDRESS_GND 0x30
 #define IS31FL3741_I2C_ADDRESS_SCL 0x31
 #define IS31FL3741_I2C_ADDRESS_SDA 0x32
diff --git a/drivers/led/issi/is31fl3741.c b/drivers/led/issi/is31fl3741.c
index 9925a169c3..efcfa77b46 100644
--- a/drivers/led/issi/is31fl3741.c
+++ b/drivers/led/issi/is31fl3741.c
@@ -22,24 +22,6 @@
 #include "i2c_master.h"
 #include "wait.h"
 
-#define IS31FL3741_COMMANDREGISTER 0xFD
-#define IS31FL3741_COMMANDREGISTER_WRITELOCK 0xFE
-#define IS31FL3741_INTERRUPTMASKREGISTER 0xF0
-#define IS31FL3741_INTERRUPTSTATUSREGISTER 0xF1
-#define IS31FL3741_IDREGISTER 0xFC
-
-#define IS31FL3741_PAGE_PWM0 0x00      // PG0
-#define IS31FL3741_PAGE_PWM1 0x01      // PG1
-#define IS31FL3741_PAGE_SCALING_0 0x02 // PG2
-#define IS31FL3741_PAGE_SCALING_1 0x03 // PG3
-#define IS31FL3741_PAGE_FUNCTION 0x04  // PG4
-
-#define IS31FL3741_REG_CONFIGURATION 0x00 // PG4
-#define IS31FL3741_REG_GLOBALCURRENT 0x01 // PG4
-#define IS31FL3741_REG_PULLDOWNUP 0x02    // PG4
-#define IS31FL3741_REG_PWM_FREQUENCY 0x36 // PG4
-#define IS31FL3741_REG_RESET 0x3F         // PG4
-
 #define IS31FL3741_PWM_REGISTER_COUNT 351
 
 #ifndef IS31FL3741_I2C_TIMEOUT
@@ -66,8 +48,8 @@
 #    define IS31FL3741_CS_PULLDOWN IS31FL3741_PDR_32K_OHM
 #endif
 
-#ifndef IS31FL3741_GLOBALCURRENT
-#    define IS31FL3741_GLOBALCURRENT 0xFF
+#ifndef IS31FL3741_GLOBAL_CURRENT
+#    define IS31FL3741_GLOBAL_CURRENT 0xFF
 #endif
 
 // Transfer buffer for TWITransmitData()
@@ -104,8 +86,8 @@ bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     for (int i = 0; i < 342; i += 18) {
         if (i == 180) {
             // unlock the command register and select PG1
-            is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
-            is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_PWM1);
+            is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
+            is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_1);
         }
 
         g_twi_transfer_buffer[0] = i % 180;
@@ -181,20 +163,20 @@ void is31fl3741_init(uint8_t addr) {
     // Unlock the command register.
 
     // Unlock the command register.
-    is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
 
     // Select PG4
-    is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_FUNCTION);
+    is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_FUNCTION);
 
     // Set to Normal operation
-    is31fl3741_write_register(addr, IS31FL3741_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
+    is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
 
     // Set Golbal Current Control Register
-    is31fl3741_write_register(addr, IS31FL3741_REG_GLOBALCURRENT, IS31FL3741_GLOBALCURRENT);
+    is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3741_GLOBAL_CURRENT);
     // Set Pull up & Down for SWx CSy
-    is31fl3741_write_register(addr, IS31FL3741_REG_PULLDOWNUP, ((IS31FL3741_CS_PULLDOWN << 4) | IS31FL3741_SW_PULLUP));
+    is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PULLDOWNUP, ((IS31FL3741_CS_PULLDOWN << 4) | IS31FL3741_SW_PULLUP));
     // Set PWM frequency
-    is31fl3741_write_register(addr, IS31FL3741_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111));
+    is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111));
 
     // is31fl3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF);
 
@@ -251,8 +233,8 @@ void is31fl3741_set_led_control_register(uint8_t index, bool red, bool green, bo
 void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         // unlock the command register and select PG2
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_PWM0);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_0);
 
         is31fl3741_write_pwm_buffer(addr, g_pwm_buffer[index]);
     }
@@ -271,8 +253,8 @@ void is31fl3741_set_pwm_buffer(const is31fl3741_led_t *pled, uint8_t red, uint8_
 void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_scaling_registers_update_required[index]) {
         // unlock the command register and select PG2
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_SCALING_0);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_SCALING_0);
 
         // CS1_SW1 to CS30_SW6 are on PG2
         for (int i = CS1_SW1; i <= CS30_SW6; ++i) {
@@ -280,8 +262,8 @@ void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
         }
 
         // unlock the command register and select PG3
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
-        is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_SCALING_1);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC);
+        is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_SCALING_1);
 
         // CS1_SW7 to CS39_SW9 are on PG3
         for (int i = CS1_SW7; i <= CS39_SW9; ++i) {
diff --git a/drivers/led/issi/is31fl3741.h b/drivers/led/issi/is31fl3741.h
index 0c3f7d3d18..6466696b60 100644
--- a/drivers/led/issi/is31fl3741.h
+++ b/drivers/led/issi/is31fl3741.h
@@ -53,7 +53,7 @@
 #    define IS31FL3741_CS_PULLDOWN ISSI_CSPULLUP
 #endif
 #ifdef ISSI_GLOBALCURRENT
-#    define IS31FL3741_GLOBALCURRENT ISSI_GLOBALCURRENT
+#    define IS31FL3741_GLOBAL_CURRENT ISSI_GLOBALCURRENT
 #endif
 
 #define is31_led is31fl3741_led_t
@@ -69,6 +69,27 @@
 #define PUR_32KR IS31FL3741_PUR_32K_OHM
 // ========
 
+#define IS31FL3741_REG_INTERRUPT_MASK 0xF0
+#define IS31FL3741_REG_INTERRUPT_STATUS 0xF1
+#define IS31FL3741_REG_ID 0xFC
+
+#define IS31FL3741_REG_COMMAND 0xFD
+
+#define IS31FL3741_COMMAND_PWM_0 0x00
+#define IS31FL3741_COMMAND_PWM_1 0x01
+#define IS31FL3741_COMMAND_SCALING_0 0x02
+#define IS31FL3741_COMMAND_SCALING_1 0x03
+#define IS31FL3741_COMMAND_FUNCTION 0x04
+
+#define IS31FL3741_FUNCTION_REG_CONFIGURATION 0x00
+#define IS31FL3741_FUNCTION_REG_GLOBAL_CURRENT 0x01
+#define IS31FL3741_FUNCTION_REG_PULLDOWNUP 0x02
+#define IS31FL3741_FUNCTION_REG_PWM_FREQUENCY 0x36
+#define IS31FL3741_FUNCTION_REG_RESET 0x3F
+
+#define IS31FL3741_REG_COMMAND_WRITE_LOCK 0xFE
+#define IS31FL3741_COMMAND_WRITE_LOCK_MAGIC 0xC5
+
 #define IS31FL3741_I2C_ADDRESS_GND 0x30
 #define IS31FL3741_I2C_ADDRESS_SCL 0x31
 #define IS31FL3741_I2C_ADDRESS_SDA 0x32
diff --git a/drivers/led/snled27351-simple.c b/drivers/led/snled27351-simple.c
index 6d504794a9..b2054c96d5 100644
--- a/drivers/led/snled27351-simple.c
+++ b/drivers/led/snled27351-simple.c
@@ -29,7 +29,7 @@
 #endif
 
 #ifndef SNLED27351_PHASE_CHANNEL
-#    define SNLED27351_PHASE_CHANNEL SNLED27351_MSKPHASE_12CHANNEL
+#    define SNLED27351_PHASE_CHANNEL SNLED27351_SCAN_PHASE_12_CHANNEL
 #endif
 
 #ifndef SNLED27351_CURRENT_TUNE
@@ -134,48 +134,48 @@ void snled27351_init_drivers(void) {
 
 void snled27351_init(uint8_t addr) {
     // Select to function page
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_FUNCTION_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
     // Setting LED driver to shutdown mode
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURATION, SNLED27351_MSKSW_SHUT_DOWN_MODE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
     // Setting internal channel pulldown/pullup
-    snled27351_write_register(addr, SNLED27351_REG_PDU, SNLED27351_MSKSET_CA_CB_CHANNEL);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_PULLDOWNUP, SNLED27351_PULLDOWNUP_ALL_ENABLED);
     // Select number of scan phase
-    snled27351_write_register(addr, SNLED27351_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
     // Setting PWM Delay Phase
-    snled27351_write_register(addr, SNLED27351_REG_SLEW_RATE_CONTROL_MODE1, SNLED27351_MSKPWM_DELAY_PHASE_ENABLE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1, SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE);
     // Setting Driving/Sinking Channel Slew Rate
-    snled27351_write_register(addr, SNLED27351_REG_SLEW_RATE_CONTROL_MODE2, SNLED27351_MSKDRIVING_SINKING_CHANNEL_SLEWRATE_ENABLE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_2, SNLED27351_SLEW_RATE_CONTROL_MODE_2_DSL_ENABLE | SNLED27351_SLEW_RATE_CONTROL_MODE_2_SSL_ENABLE);
     // Setting Iref
-    snled27351_write_register(addr, SNLED27351_REG_SOFTWARE_SLEEP, SNLED27351_MSKSLEEP_DISABLE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, 0);
     // Set LED CONTROL PAGE (Page 0)
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_LED_CONTROL);
     for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
         snled27351_write_register(addr, i, 0x00);
     }
 
     // Set PWM PAGE (Page 1)
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_PWM_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_PWM);
     for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
         snled27351_write_register(addr, i, 0x00);
     }
 
     // Set CURRENT PAGE (Page 4)
     uint8_t current_tune_reg_list[SNLED27351_LED_CURRENT_TUNE_LENGTH] = SNLED27351_CURRENT_TUNE;
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_CURRENT_TUNE_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_CURRENT_TUNE);
     for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
         snled27351_write_register(addr, i, current_tune_reg_list[i]);
     }
 
     // Enable LEDs ON/OFF
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_LED_CONTROL);
     for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
         snled27351_write_register(addr, i, 0xFF);
     }
 
     // Select to function page
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_FUNCTION_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
     // Setting LED driver to normal mode
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURATION, SNLED27351_MSKSW_NORMAL_MODE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
 }
 
 void snled27351_set_value(int index, uint8_t value) {
@@ -215,7 +215,7 @@ void snled27351_set_led_control_register(uint8_t index, bool value) {
 
 void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
-        snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_PWM_PAGE);
+        snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_PWM);
 
         // If any of the transactions fail we risk writing dirty PG0,
         // refresh page 0 just in case.
@@ -228,7 +228,7 @@ void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
 
 void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
-        snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE);
+        snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_LED_CONTROL);
         for (int i = 0; i < SNLED27351_LED_CONTROL_REGISTER_COUNT; i++) {
             snled27351_write_register(addr, i, g_led_control_registers[index][i]);
         }
@@ -251,16 +251,16 @@ void snled27351_flush(void) {
 
 void snled27351_sw_return_normal(uint8_t addr) {
     // Select to function page
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_FUNCTION_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
     // Setting LED driver to normal mode
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURATION, SNLED27351_MSKSW_NORMAL_MODE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
 }
 
 void snled27351_sw_shutdown(uint8_t addr) {
     // Select to function page
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_FUNCTION_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
     // Setting LED driver to shutdown mode
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURATION, SNLED27351_MSKSW_SHUT_DOWN_MODE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
     // Write SW Sleep Register
-    snled27351_write_register(addr, SNLED27351_REG_SOFTWARE_SLEEP, SNLED27351_MSKSLEEP_ENABLE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, SNLED27351_SOFTWARE_SLEEP_ENABLE);
 }
diff --git a/drivers/led/snled27351-simple.h b/drivers/led/snled27351-simple.h
index 66e5d162d0..2fc62a6f0a 100644
--- a/drivers/led/snled27351-simple.h
+++ b/drivers/led/snled27351-simple.h
@@ -35,23 +35,98 @@
 #    define SNLED27351_CURRENT_TUNE CKLED2001_CURRENT_TUNE
 #endif
 
-#define MSKPHASE_12CHANNEL SNLED27351_MSKPHASE_12CHANNEL
-#define MSKPHASE_11CHANNEL SNLED27351_MSKPHASE_11CHANNEL
-#define MSKPHASE_10CHANNEL SNLED27351_MSKPHASE_10CHANNEL
-#define MSKPHASE_9CHANNEL SNLED27351_MSKPHASE_9CHANNEL
-#define MSKPHASE_8CHANNEL SNLED27351_MSKPHASE_8CHANNEL
-#define MSKPHASE_7CHANNEL SNLED27351_MSKPHASE_7CHANNEL
-#define MSKPHASE_6CHANNEL SNLED27351_MSKPHASE_6CHANNEL
-#define MSKPHASE_5CHANNEL SNLED27351_MSKPHASE_5CHANNEL
-#define MSKPHASE_4CHANNEL SNLED27351_MSKPHASE_4CHANNEL
-#define MSKPHASE_3CHANNEL SNLED27351_MSKPHASE_3CHANNEL
-#define MSKPHASE_2CHANNEL SNLED27351_MSKPHASE_2CHANNEL
-#define MSKPHASE_1CHANNEL SNLED27351_MSKPHASE_1CHANNEL
+#define MSKPHASE_12CHANNEL SNLED27351_SCAN_PHASE_12_CHANNEL
+#define MSKPHASE_11CHANNEL SNLED27351_SCAN_PHASE_11_CHANNEL
+#define MSKPHASE_10CHANNEL SNLED27351_SCAN_PHASE_10_CHANNEL
+#define MSKPHASE_9CHANNEL SNLED27351_SCAN_PHASE_9_CHANNEL
+#define MSKPHASE_8CHANNEL SNLED27351_SCAN_PHASE_8_CHANNEL
+#define MSKPHASE_7CHANNEL SNLED27351_SCAN_PHASE_7_CHANNEL
+#define MSKPHASE_6CHANNEL SNLED27351_SCAN_PHASE_6_CHANNEL
+#define MSKPHASE_5CHANNEL SNLED27351_SCAN_PHASE_5_CHANNEL
+#define MSKPHASE_4CHANNEL SNLED27351_SCAN_PHASE_4_CHANNEL
+#define MSKPHASE_3CHANNEL SNLED27351_SCAN_PHASE_3_CHANNEL
+#define MSKPHASE_2CHANNEL SNLED27351_SCAN_PHASE_2_CHANNEL
+#define MSKPHASE_1CHANNEL SNLED27351_SCAN_PHASE_1_CHANNEL
 
 #define ckled2001_led snled27351_led_t
 #define g_ckled2001_leds g_snled27351_leds
 // ========
 
+#define SNLED27351_REG_COMMAND 0xFD
+#define SNLED27351_COMMAND_LED_CONTROL 0x00
+#define SNLED27351_COMMAND_PWM 0x01
+#define SNLED27351_COMMAND_FUNCTION 0x03
+#define SNLED27351_COMMAND_CURRENT_TUNE 0x04
+
+#define SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN 0x00
+#define SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN (0x0 << 0)
+#define SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL (0x1 << 0)
+
+#define SNLED27351_FUNCTION_REG_ID 0x11
+#define SNLED27351_DRIVER_ID 0x8A
+
+#define SNLED27351_FUNCTION_REG_PULLDOWNUP 0x13
+#define SNLED27351_PULLDOWNUP_ALL_ENABLED 0xAA
+
+#define SNLED27351_FUNCTION_REG_SCAN_PHASE 0x14
+#define SNLED27351_SCAN_PHASE_12_CHANNEL 0x00
+#define SNLED27351_SCAN_PHASE_11_CHANNEL 0x01
+#define SNLED27351_SCAN_PHASE_10_CHANNEL 0x02
+#define SNLED27351_SCAN_PHASE_9_CHANNEL 0x03
+#define SNLED27351_SCAN_PHASE_8_CHANNEL 0x04
+#define SNLED27351_SCAN_PHASE_7_CHANNEL 0x05
+#define SNLED27351_SCAN_PHASE_6_CHANNEL 0x06
+#define SNLED27351_SCAN_PHASE_5_CHANNEL 0x07
+#define SNLED27351_SCAN_PHASE_4_CHANNEL 0x08
+#define SNLED27351_SCAN_PHASE_3_CHANNEL 0x09
+#define SNLED27351_SCAN_PHASE_2_CHANNEL 0x0A
+#define SNLED27351_SCAN_PHASE_1_CHANNEL 0x0B
+
+#define SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1 0x15
+#define SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE (0b1 << 2)
+
+#define SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_2 0x16
+#define SNLED27351_SLEW_RATE_CONTROL_MODE_2_SSL_ENABLE (0b1 << 6)
+#define SNLED27351_SLEW_RATE_CONTROL_MODE_2_DSL_ENABLE (0b1 << 7)
+
+#define SNLED27351_FUNCTION_REG_OPEN_SHORT_ENABLE 0x17
+#define SNLED27351_OPEN_SHORT_ENABLE_SDS_ENABLE (0b1 << 6)
+#define SNLED27351_OPEN_SHORT_ENABLE_ODS_ENABLE (0b1 << 7)
+
+#define SNLED27351_FUNCTION_REG_OPEN_SHORT_DUTY 0x18
+
+#define SNLED27351_FUNCTION_REG_OPEN_SHORT_FLAG 0x19
+#define SNLED27351_OPEN_SHORT_FLAG_OSINT_ENABLE (0b1 << 6)
+#define SNLED27351_OPEN_SHORT_FLAG_ODINT_ENABLE (0b1 << 7)
+
+#define SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP 0x1A
+#define SNLED27351_SOFTWARE_SLEEP_ENABLE (0b1 << 1)
+
+// LED Control Registers
+#define SNLED27351_LED_CONTROL_ON_OFF_FIRST_ADDR 0x0
+#define SNLED27351_LED_CONTROL_ON_OFF_LAST_ADDR 0x17
+#define SNLED27351_LED_CONTROL_ON_OFF_LENGTH ((SNLED27351_LED_CONTROL_ON_OFF_LAST_ADDR - SNLED27351_LED_CONTROL_ON_OFF_FIRST_ADDR) + 1)
+
+#define SNLED27351_LED_CONTROL_OPEN_FIRST_ADDR 0x18
+#define SNLED27351_LED_CONTROL_OPEN_LAST_ADDR 0x2F
+#define SNLED27351_LED_CONTROL_OPEN_LENGTH ((SNLED27351_LED_CONTROL_OPEN_LAST_ADDR - SNLED27351_LED_CONTROL_OPEN_FIRST_ADDR) + 1)
+
+#define SNLED27351_LED_CONTROL_SHORT_FIRST_ADDR 0x30
+#define SNLED27351_LED_CONTROL_SHORT_LAST_ADDR 0x47
+#define SNLED27351_LED_CONTROL_SHORT_LENGTH ((SNLED27351_LED_CONTROL_SHORT_LAST_ADDR - SNLED27351_LED_CONTROL_SHORT_FIRST_ADDR) + 1)
+
+#define SNLED27351_LED_CONTROL_PAGE_LENGTH 0x48
+
+// LED Control Registers
+#define SNLED27351_LED_PWM_FIRST_ADDR 0x00
+#define SNLED27351_LED_PWM_LAST_ADDR 0xBF
+#define SNLED27351_LED_PWM_LENGTH 0xC0
+
+// Current Tune Registers
+#define SNLED27351_LED_CURRENT_TUNE_FIRST_ADDR 0x00
+#define SNLED27351_LED_CURRENT_TUNE_LAST_ADDR 0x0B
+#define SNLED27351_LED_CURRENT_TUNE_LENGTH 0x0C
+
 #define SNLED27351_I2C_ADDRESS_GND 0x74
 #define SNLED27351_I2C_ADDRESS_SCL 0x75
 #define SNLED27351_I2C_ADDRESS_SDA 0x76
@@ -100,92 +175,6 @@ void snled27351_flush(void);
 void snled27351_sw_return_normal(uint8_t addr);
 void snled27351_sw_shutdown(uint8_t addr);
 
-// Registers Page Define
-#define SNLED27351_REG_CONFIGURE_CMD_PAGE 0xFD
-#define SNLED27351_LED_CONTROL_PAGE 0x00
-#define SNLED27351_LED_PWM_PAGE 0x01
-#define SNLED27351_FUNCTION_PAGE 0x03
-#define SNLED27351_CURRENT_TUNE_PAGE 0x04
-
-// Function Register: address 0x00
-#define SNLED27351_REG_CONFIGURATION 0x00
-#define SNLED27351_MSKSW_SHUT_DOWN_MODE (0x0 << 0)
-#define SNLED27351_MSKSW_NORMAL_MODE (0x1 << 0)
-
-#define SNLED27351_REG_DRIVER_ID 0x11
-#define SNLED27351_DRIVER_ID 0x8A
-
-#define SNLED27351_REG_PDU 0x13
-#define SNLED27351_MSKSET_CA_CB_CHANNEL 0xAA
-#define SNLED27351_MSKCLR_CA_CB_CHANNEL 0x00
-
-#define SNLED27351_REG_SCAN_PHASE 0x14
-#define SNLED27351_MSKPHASE_12CHANNEL 0x00
-#define SNLED27351_MSKPHASE_11CHANNEL 0x01
-#define SNLED27351_MSKPHASE_10CHANNEL 0x02
-#define SNLED27351_MSKPHASE_9CHANNEL 0x03
-#define SNLED27351_MSKPHASE_8CHANNEL 0x04
-#define SNLED27351_MSKPHASE_7CHANNEL 0x05
-#define SNLED27351_MSKPHASE_6CHANNEL 0x06
-#define SNLED27351_MSKPHASE_5CHANNEL 0x07
-#define SNLED27351_MSKPHASE_4CHANNEL 0x08
-#define SNLED27351_MSKPHASE_3CHANNEL 0x09
-#define SNLED27351_MSKPHASE_2CHANNEL 0x0A
-#define SNLED27351_MSKPHASE_1CHANNEL 0x0B
-
-#define SNLED27351_REG_SLEW_RATE_CONTROL_MODE1 0x15
-#define SNLED27351_MSKPWM_DELAY_PHASE_ENABLE 0x04
-#define SNLED27351_MSKPWM_DELAY_PHASE_DISABLE 0x00
-
-#define SNLED27351_REG_SLEW_RATE_CONTROL_MODE2 0x16
-#define SNLED27351_MSKDRIVING_SINKING_CHANNEL_SLEWRATE_ENABLE 0xC0
-#define SNLED27351_MSKDRIVING_SINKING_CHANNEL_SLEWRATE_DISABLE 0x00
-
-#define SNLED27351_REG_OPEN_SHORT_ENABLE 0x17
-#define SNLED27351_MSKOPEN_DETECTION_ENABLE (0x01 << 7)
-#define SNLED27351_MSKOPEN_DETECTION_DISABLE (0x00)
-
-#define SNLED27351_MSKSHORT_DETECTION_ENABLE (0x01 << 6)
-#define SNLED27351_MSKSHORT_DETECTION_DISABLE (0x00)
-
-#define SNLED27351_REG_OPEN_SHORT_DUTY 0x18
-#define SNLED27351_REG_OPEN_SHORT_FLAG 0x19
-
-#define SNLED27351_MSKOPEN_DETECTION_INTERRUPT_ENABLE (0x01 << 7)
-#define SNLED27351_MSKOPEN_DETECTION_INTERRUPT_DISABLE (0x00)
-
-#define SNLED27351_MSKSHORT_DETECTION_INTERRUPT_ENABLE (0x01 << 6)
-#define SNLED27351_MSKSHORT_DETECTION_INTERRUPT_DISABLE (0x00)
-
-#define SNLED27351_REG_SOFTWARE_SLEEP 0x1A
-#define SNLED27351_MSKSLEEP_ENABLE 0x02
-#define SNLED27351_MSKSLEEP_DISABLE 0x00
-
-// LED Control Registers
-#define SNLED27351_LED_CONTROL_ON_OFF_FIRST_ADDR 0x0
-#define SNLED27351_LED_CONTROL_ON_OFF_LAST_ADDR 0x17
-#define SNLED27351_LED_CONTROL_ON_OFF_LENGTH ((SNLED27351_LED_CONTROL_ON_OFF_LAST_ADDR - SNLED27351_LED_CONTROL_ON_OFF_FIRST_ADDR) + 1)
-
-#define SNLED27351_LED_CONTROL_OPEN_FIRST_ADDR 0x18
-#define SNLED27351_LED_CONTROL_OPEN_LAST_ADDR 0x2F
-#define SNLED27351_LED_CONTROL_OPEN_LENGTH ((SNLED27351_LED_CONTROL_OPEN_LAST_ADDR - SNLED27351_LED_CONTROL_OPEN_FIRST_ADDR) + 1)
-
-#define SNLED27351_LED_CONTROL_SHORT_FIRST_ADDR 0x30
-#define SNLED27351_LED_CONTROL_SHORT_LAST_ADDR 0x47
-#define SNLED27351_LED_CONTROL_SHORT_LENGTH ((SNLED27351_LED_CONTROL_SHORT_LAST_ADDR - SNLED27351_LED_CONTROL_SHORT_FIRST_ADDR) + 1)
-
-#define SNLED27351_LED_CONTROL_PAGE_LENGTH 0x48
-
-// LED Control Registers
-#define SNLED27351_LED_PWM_FIRST_ADDR 0x00
-#define SNLED27351_LED_PWM_LAST_ADDR 0xBF
-#define SNLED27351_LED_PWM_LENGTH 0xC0
-
-// Current Tune Registers
-#define SNLED27351_LED_CURRENT_TUNE_FIRST_ADDR 0x00
-#define SNLED27351_LED_CURRENT_TUNE_LAST_ADDR 0x0B
-#define SNLED27351_LED_CURRENT_TUNE_LENGTH 0x0C
-
 #define A_1 0x00
 #define A_2 0x01
 #define A_3 0x02
diff --git a/drivers/led/snled27351.c b/drivers/led/snled27351.c
index 4e4067854e..71992b7322 100644
--- a/drivers/led/snled27351.c
+++ b/drivers/led/snled27351.c
@@ -29,7 +29,7 @@
 #endif
 
 #ifndef SNLED27351_PHASE_CHANNEL
-#    define SNLED27351_PHASE_CHANNEL SNLED27351_MSKPHASE_12CHANNEL
+#    define SNLED27351_PHASE_CHANNEL SNLED27351_SCAN_PHASE_12_CHANNEL
 #endif
 
 #ifndef SNLED27351_CURRENT_TUNE
@@ -133,48 +133,48 @@ void snled27351_init_drivers(void) {
 
 void snled27351_init(uint8_t addr) {
     // Select to function page
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_FUNCTION_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
     // Setting LED driver to shutdown mode
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURATION, SNLED27351_MSKSW_SHUT_DOWN_MODE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
     // Setting internal channel pulldown/pullup
-    snled27351_write_register(addr, SNLED27351_REG_PDU, SNLED27351_MSKSET_CA_CB_CHANNEL);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_PULLDOWNUP, SNLED27351_PULLDOWNUP_ALL_ENABLED);
     // Select number of scan phase
-    snled27351_write_register(addr, SNLED27351_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SCAN_PHASE, SNLED27351_PHASE_CHANNEL);
     // Setting PWM Delay Phase
-    snled27351_write_register(addr, SNLED27351_REG_SLEW_RATE_CONTROL_MODE1, SNLED27351_MSKPWM_DELAY_PHASE_ENABLE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1, SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE);
     // Setting Driving/Sinking Channel Slew Rate
-    snled27351_write_register(addr, SNLED27351_REG_SLEW_RATE_CONTROL_MODE2, SNLED27351_MSKDRIVING_SINKING_CHANNEL_SLEWRATE_ENABLE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_2, SNLED27351_SLEW_RATE_CONTROL_MODE_2_DSL_ENABLE | SNLED27351_SLEW_RATE_CONTROL_MODE_2_SSL_ENABLE);
     // Setting Iref
-    snled27351_write_register(addr, SNLED27351_REG_SOFTWARE_SLEEP, SNLED27351_MSKSLEEP_DISABLE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, 0);
     // Set LED CONTROL PAGE (Page 0)
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_LED_CONTROL);
     for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
         snled27351_write_register(addr, i, 0x00);
     }
 
     // Set PWM PAGE (Page 1)
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_PWM_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_PWM);
     for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
         snled27351_write_register(addr, i, 0x00);
     }
 
     // Set CURRENT PAGE (Page 4)
     uint8_t current_tune_reg_list[SNLED27351_LED_CURRENT_TUNE_LENGTH] = SNLED27351_CURRENT_TUNE;
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_CURRENT_TUNE_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_CURRENT_TUNE);
     for (int i = 0; i < SNLED27351_LED_CURRENT_TUNE_LENGTH; i++) {
         snled27351_write_register(addr, i, current_tune_reg_list[i]);
     }
 
     // Enable LEDs ON/OFF
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_LED_CONTROL);
     for (int i = 0; i < SNLED27351_LED_CONTROL_ON_OFF_LENGTH; i++) {
         snled27351_write_register(addr, i, 0xFF);
     }
 
     // Select to function page
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_FUNCTION_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
     // Setting LED driver to normal mode
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURATION, SNLED27351_MSKSW_NORMAL_MODE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
 }
 
 void snled27351_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
@@ -230,7 +230,7 @@ void snled27351_set_led_control_register(uint8_t index, bool red, bool green, bo
 
 void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
-        snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_PWM_PAGE);
+        snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_PWM);
 
         // If any of the transactions fail we risk writing dirty PG0,
         // refresh page 0 just in case.
@@ -243,7 +243,7 @@ void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
 
 void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
-        snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE);
+        snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_LED_CONTROL);
         for (int i = 0; i < SNLED27351_LED_CONTROL_REGISTER_COUNT; i++) {
             snled27351_write_register(addr, i, g_led_control_registers[index][i]);
         }
@@ -266,16 +266,16 @@ void snled27351_flush(void) {
 
 void snled27351_sw_return_normal(uint8_t addr) {
     // Select to function page
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_FUNCTION_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
     // Setting LED driver to normal mode
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURATION, SNLED27351_MSKSW_NORMAL_MODE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL);
 }
 
 void snled27351_sw_shutdown(uint8_t addr) {
     // Select to function page
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_FUNCTION_PAGE);
+    snled27351_write_register(addr, SNLED27351_REG_COMMAND, SNLED27351_COMMAND_FUNCTION);
     // Setting LED driver to shutdown mode
-    snled27351_write_register(addr, SNLED27351_REG_CONFIGURATION, SNLED27351_MSKSW_SHUT_DOWN_MODE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN, SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN);
     // Write SW Sleep Register
-    snled27351_write_register(addr, SNLED27351_REG_SOFTWARE_SLEEP, SNLED27351_MSKSLEEP_ENABLE);
+    snled27351_write_register(addr, SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP, SNLED27351_SOFTWARE_SLEEP_ENABLE);
 }
diff --git a/drivers/led/snled27351.h b/drivers/led/snled27351.h
index 77837d36aa..77337f177b 100644
--- a/drivers/led/snled27351.h
+++ b/drivers/led/snled27351.h
@@ -47,23 +47,98 @@
 #    define SNLED27351_CURRENT_TUNE CKLED2001_CURRENT_TUNE
 #endif
 
-#define MSKPHASE_12CHANNEL SNLED27351_MSKPHASE_12CHANNEL
-#define MSKPHASE_11CHANNEL SNLED27351_MSKPHASE_11CHANNEL
-#define MSKPHASE_10CHANNEL SNLED27351_MSKPHASE_10CHANNEL
-#define MSKPHASE_9CHANNEL SNLED27351_MSKPHASE_9CHANNEL
-#define MSKPHASE_8CHANNEL SNLED27351_MSKPHASE_8CHANNEL
-#define MSKPHASE_7CHANNEL SNLED27351_MSKPHASE_7CHANNEL
-#define MSKPHASE_6CHANNEL SNLED27351_MSKPHASE_6CHANNEL
-#define MSKPHASE_5CHANNEL SNLED27351_MSKPHASE_5CHANNEL
-#define MSKPHASE_4CHANNEL SNLED27351_MSKPHASE_4CHANNEL
-#define MSKPHASE_3CHANNEL SNLED27351_MSKPHASE_3CHANNEL
-#define MSKPHASE_2CHANNEL SNLED27351_MSKPHASE_2CHANNEL
-#define MSKPHASE_1CHANNEL SNLED27351_MSKPHASE_1CHANNEL
+#define MSKPHASE_12CHANNEL SNLED27351_SCAN_PHASE_12_CHANNEL
+#define MSKPHASE_11CHANNEL SNLED27351_SCAN_PHASE_11_CHANNEL
+#define MSKPHASE_10CHANNEL SNLED27351_SCAN_PHASE_10_CHANNEL
+#define MSKPHASE_9CHANNEL SNLED27351_SCAN_PHASE_9_CHANNEL
+#define MSKPHASE_8CHANNEL SNLED27351_SCAN_PHASE_8_CHANNEL
+#define MSKPHASE_7CHANNEL SNLED27351_SCAN_PHASE_7_CHANNEL
+#define MSKPHASE_6CHANNEL SNLED27351_SCAN_PHASE_6_CHANNEL
+#define MSKPHASE_5CHANNEL SNLED27351_SCAN_PHASE_5_CHANNEL
+#define MSKPHASE_4CHANNEL SNLED27351_SCAN_PHASE_4_CHANNEL
+#define MSKPHASE_3CHANNEL SNLED27351_SCAN_PHASE_3_CHANNEL
+#define MSKPHASE_2CHANNEL SNLED27351_SCAN_PHASE_2_CHANNEL
+#define MSKPHASE_1CHANNEL SNLED27351_SCAN_PHASE_1_CHANNEL
 
 #define ckled2001_led snled27351_led_t
 #define g_ckled2001_leds g_snled27351_leds
 // ========
 
+#define SNLED27351_REG_COMMAND 0xFD
+#define SNLED27351_COMMAND_LED_CONTROL 0x00
+#define SNLED27351_COMMAND_PWM 0x01
+#define SNLED27351_COMMAND_FUNCTION 0x03
+#define SNLED27351_COMMAND_CURRENT_TUNE 0x04
+
+#define SNLED27351_FUNCTION_REG_SOFTWARE_SHUTDOWN 0x00
+#define SNLED27351_SOFTWARE_SHUTDOWN_SSD_SHUTDOWN (0x0 << 0)
+#define SNLED27351_SOFTWARE_SHUTDOWN_SSD_NORMAL (0x1 << 0)
+
+#define SNLED27351_FUNCTION_REG_ID 0x11
+#define SNLED27351_DRIVER_ID 0x8A
+
+#define SNLED27351_FUNCTION_REG_PULLDOWNUP 0x13
+#define SNLED27351_PULLDOWNUP_ALL_ENABLED 0xAA
+
+#define SNLED27351_FUNCTION_REG_SCAN_PHASE 0x14
+#define SNLED27351_SCAN_PHASE_12_CHANNEL 0x00
+#define SNLED27351_SCAN_PHASE_11_CHANNEL 0x01
+#define SNLED27351_SCAN_PHASE_10_CHANNEL 0x02
+#define SNLED27351_SCAN_PHASE_9_CHANNEL 0x03
+#define SNLED27351_SCAN_PHASE_8_CHANNEL 0x04
+#define SNLED27351_SCAN_PHASE_7_CHANNEL 0x05
+#define SNLED27351_SCAN_PHASE_6_CHANNEL 0x06
+#define SNLED27351_SCAN_PHASE_5_CHANNEL 0x07
+#define SNLED27351_SCAN_PHASE_4_CHANNEL 0x08
+#define SNLED27351_SCAN_PHASE_3_CHANNEL 0x09
+#define SNLED27351_SCAN_PHASE_2_CHANNEL 0x0A
+#define SNLED27351_SCAN_PHASE_1_CHANNEL 0x0B
+
+#define SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_1 0x15
+#define SNLED27351_SLEW_RATE_CONTROL_MODE_1_PDP_ENABLE (0b1 << 2)
+
+#define SNLED27351_FUNCTION_REG_SLEW_RATE_CONTROL_MODE_2 0x16
+#define SNLED27351_SLEW_RATE_CONTROL_MODE_2_SSL_ENABLE (0b1 << 6)
+#define SNLED27351_SLEW_RATE_CONTROL_MODE_2_DSL_ENABLE (0b1 << 7)
+
+#define SNLED27351_FUNCTION_REG_OPEN_SHORT_ENABLE 0x17
+#define SNLED27351_OPEN_SHORT_ENABLE_SDS_ENABLE (0b1 << 6)
+#define SNLED27351_OPEN_SHORT_ENABLE_ODS_ENABLE (0b1 << 7)
+
+#define SNLED27351_FUNCTION_REG_OPEN_SHORT_DUTY 0x18
+
+#define SNLED27351_FUNCTION_REG_OPEN_SHORT_FLAG 0x19
+#define SNLED27351_OPEN_SHORT_FLAG_OSINT_ENABLE (0b1 << 6)
+#define SNLED27351_OPEN_SHORT_FLAG_ODINT_ENABLE (0b1 << 7)
+
+#define SNLED27351_FUNCTION_REG_SOFTWARE_SLEEP 0x1A
+#define SNLED27351_SOFTWARE_SLEEP_ENABLE (0b1 << 1)
+
+// LED Control Registers
+#define SNLED27351_LED_CONTROL_ON_OFF_FIRST_ADDR 0x0
+#define SNLED27351_LED_CONTROL_ON_OFF_LAST_ADDR 0x17
+#define SNLED27351_LED_CONTROL_ON_OFF_LENGTH ((SNLED27351_LED_CONTROL_ON_OFF_LAST_ADDR - SNLED27351_LED_CONTROL_ON_OFF_FIRST_ADDR) + 1)
+
+#define SNLED27351_LED_CONTROL_OPEN_FIRST_ADDR 0x18
+#define SNLED27351_LED_CONTROL_OPEN_LAST_ADDR 0x2F
+#define SNLED27351_LED_CONTROL_OPEN_LENGTH ((SNLED27351_LED_CONTROL_OPEN_LAST_ADDR - SNLED27351_LED_CONTROL_OPEN_FIRST_ADDR) + 1)
+
+#define SNLED27351_LED_CONTROL_SHORT_FIRST_ADDR 0x30
+#define SNLED27351_LED_CONTROL_SHORT_LAST_ADDR 0x47
+#define SNLED27351_LED_CONTROL_SHORT_LENGTH ((SNLED27351_LED_CONTROL_SHORT_LAST_ADDR - SNLED27351_LED_CONTROL_SHORT_FIRST_ADDR) + 1)
+
+#define SNLED27351_LED_CONTROL_PAGE_LENGTH 0x48
+
+// LED Control Registers
+#define SNLED27351_LED_PWM_FIRST_ADDR 0x00
+#define SNLED27351_LED_PWM_LAST_ADDR 0xBF
+#define SNLED27351_LED_PWM_LENGTH 0xC0
+
+// Current Tune Registers
+#define SNLED27351_LED_CURRENT_TUNE_FIRST_ADDR 0x00
+#define SNLED27351_LED_CURRENT_TUNE_LAST_ADDR 0x0B
+#define SNLED27351_LED_CURRENT_TUNE_LENGTH 0x0C
+
 #define SNLED27351_I2C_ADDRESS_GND 0x74
 #define SNLED27351_I2C_ADDRESS_SCL 0x75
 #define SNLED27351_I2C_ADDRESS_SDA 0x76
@@ -114,92 +189,6 @@ void snled27351_flush(void);
 void snled27351_sw_return_normal(uint8_t addr);
 void snled27351_sw_shutdown(uint8_t addr);
 
-// Registers Page Define
-#define SNLED27351_REG_CONFIGURE_CMD_PAGE 0xFD
-#define SNLED27351_LED_CONTROL_PAGE 0x00
-#define SNLED27351_LED_PWM_PAGE 0x01
-#define SNLED27351_FUNCTION_PAGE 0x03
-#define SNLED27351_CURRENT_TUNE_PAGE 0x04
-
-// Function Register: address 0x00
-#define SNLED27351_REG_CONFIGURATION 0x00
-#define SNLED27351_MSKSW_SHUT_DOWN_MODE (0x0 << 0)
-#define SNLED27351_MSKSW_NORMAL_MODE (0x1 << 0)
-
-#define SNLED27351_REG_DRIVER_ID 0x11
-#define SNLED27351_DRIVER_ID 0x8A
-
-#define SNLED27351_REG_PDU 0x13
-#define SNLED27351_MSKSET_CA_CB_CHANNEL 0xAA
-#define SNLED27351_MSKCLR_CA_CB_CHANNEL 0x00
-
-#define SNLED27351_REG_SCAN_PHASE 0x14
-#define SNLED27351_MSKPHASE_12CHANNEL 0x00
-#define SNLED27351_MSKPHASE_11CHANNEL 0x01
-#define SNLED27351_MSKPHASE_10CHANNEL 0x02
-#define SNLED27351_MSKPHASE_9CHANNEL 0x03
-#define SNLED27351_MSKPHASE_8CHANNEL 0x04
-#define SNLED27351_MSKPHASE_7CHANNEL 0x05
-#define SNLED27351_MSKPHASE_6CHANNEL 0x06
-#define SNLED27351_MSKPHASE_5CHANNEL 0x07
-#define SNLED27351_MSKPHASE_4CHANNEL 0x08
-#define SNLED27351_MSKPHASE_3CHANNEL 0x09
-#define SNLED27351_MSKPHASE_2CHANNEL 0x0A
-#define SNLED27351_MSKPHASE_1CHANNEL 0x0B
-
-#define SNLED27351_REG_SLEW_RATE_CONTROL_MODE1 0x15
-#define SNLED27351_MSKPWM_DELAY_PHASE_ENABLE 0x04
-#define SNLED27351_MSKPWM_DELAY_PHASE_DISABLE 0x00
-
-#define SNLED27351_REG_SLEW_RATE_CONTROL_MODE2 0x16
-#define SNLED27351_MSKDRIVING_SINKING_CHANNEL_SLEWRATE_ENABLE 0xC0
-#define SNLED27351_MSKDRIVING_SINKING_CHANNEL_SLEWRATE_DISABLE 0x00
-
-#define SNLED27351_REG_OPEN_SHORT_ENABLE 0x17
-#define SNLED27351_MSKOPEN_DETECTION_ENABLE (0x01 << 7)
-#define SNLED27351_MSKOPEN_DETECTION_DISABLE (0x00)
-
-#define SNLED27351_MSKSHORT_DETECTION_ENABLE (0x01 << 6)
-#define SNLED27351_MSKSHORT_DETECTION_DISABLE (0x00)
-
-#define SNLED27351_REG_OPEN_SHORT_DUTY 0x18
-#define SNLED27351_REG_OPEN_SHORT_FLAG 0x19
-
-#define SNLED27351_MSKOPEN_DETECTION_INTERRUPT_ENABLE (0x01 << 7)
-#define SNLED27351_MSKOPEN_DETECTION_INTERRUPT_DISABLE (0x00)
-
-#define SNLED27351_MSKSHORT_DETECTION_INTERRUPT_ENABLE (0x01 << 6)
-#define SNLED27351_MSKSHORT_DETECTION_INTERRUPT_DISABLE (0x00)
-
-#define SNLED27351_REG_SOFTWARE_SLEEP 0x1A
-#define SNLED27351_MSKSLEEP_ENABLE 0x02
-#define SNLED27351_MSKSLEEP_DISABLE 0x00
-
-// LED Control Registers
-#define SNLED27351_LED_CONTROL_ON_OFF_FIRST_ADDR 0x0
-#define SNLED27351_LED_CONTROL_ON_OFF_LAST_ADDR 0x17
-#define SNLED27351_LED_CONTROL_ON_OFF_LENGTH ((SNLED27351_LED_CONTROL_ON_OFF_LAST_ADDR - SNLED27351_LED_CONTROL_ON_OFF_FIRST_ADDR) + 1)
-
-#define SNLED27351_LED_CONTROL_OPEN_FIRST_ADDR 0x18
-#define SNLED27351_LED_CONTROL_OPEN_LAST_ADDR 0x2F
-#define SNLED27351_LED_CONTROL_OPEN_LENGTH ((SNLED27351_LED_CONTROL_OPEN_LAST_ADDR - SNLED27351_LED_CONTROL_OPEN_FIRST_ADDR) + 1)
-
-#define SNLED27351_LED_CONTROL_SHORT_FIRST_ADDR 0x30
-#define SNLED27351_LED_CONTROL_SHORT_LAST_ADDR 0x47
-#define SNLED27351_LED_CONTROL_SHORT_LENGTH ((SNLED27351_LED_CONTROL_SHORT_LAST_ADDR - SNLED27351_LED_CONTROL_SHORT_FIRST_ADDR) + 1)
-
-#define SNLED27351_LED_CONTROL_PAGE_LENGTH 0x48
-
-// LED Control Registers
-#define SNLED27351_LED_PWM_FIRST_ADDR 0x00
-#define SNLED27351_LED_PWM_LAST_ADDR 0xBF
-#define SNLED27351_LED_PWM_LENGTH 0xC0
-
-// Current Tune Registers
-#define SNLED27351_LED_CURRENT_TUNE_FIRST_ADDR 0x00
-#define SNLED27351_LED_CURRENT_TUNE_LAST_ADDR 0x0B
-#define SNLED27351_LED_CURRENT_TUNE_LENGTH 0x0C
-
 #define A_1 0x00
 #define A_2 0x01
 #define A_3 0x02