Add VIA support for QMK backlight, QMK RGBLight (#7911)

* Add VIA support for QMK backlight, QMK RGBLight

* clang-format changes

3 files changed, 68 insertions, 0 deletions

diff --git a/keyboards/cannonkeys/satisfaction75/config.h b/keyboards/cannonkeys/satisfaction75/config.h
index 7a4354c8a7..69d02806e2 100644
--- a/keyboards/cannonkeys/satisfaction75/config.h
+++ b/keyboards/cannonkeys/satisfaction75/config.h
@@ -73,6 +73,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // 6 for 3x custom encoder settings, left, right, and press (18 bytes)
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 21
 
+// VIA lighting is handled by the keyboard-level code
+#define VIA_CUSTOM_LIGHTING_ENABLE
+
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.
diff --git a/keyboards/cannonkeys/satisfaction75/led_custom.h b/keyboards/cannonkeys/satisfaction75/led_custom.h
index fe5c9e5dcf..d818b48ce9 100644
--- a/keyboards/cannonkeys/satisfaction75/led_custom.h
+++ b/keyboards/cannonkeys/satisfaction75/led_custom.h
@@ -3,3 +3,5 @@
 void backlight_task(void);
 void breathing_interrupt_disable(void);
 void breathing_interrupt_enable(void);
+void breathing_enable(void);
+void breathing_disable(void);
diff --git a/keyboards/cannonkeys/satisfaction75/satisfaction75.c b/keyboards/cannonkeys/satisfaction75/satisfaction75.c
index 0fe09c384f..f92067c98f 100644
--- a/keyboards/cannonkeys/satisfaction75/satisfaction75.c
+++ b/keyboards/cannonkeys/satisfaction75/satisfaction75.c
@@ -55,6 +55,54 @@ backlight_config_t kb_backlight_config = {
 };
 
 #ifdef VIA_ENABLE
+
+void backlight_get_value( uint8_t *data )
+{
+	uint8_t *value_id = &(data[0]);
+	uint8_t *value_data = &(data[1]);
+  switch (*value_id)
+  {
+    case id_qmk_backlight_brightness:
+    {
+      // level / BACKLIGHT_LEVELS * 255
+      value_data[0] = ((uint16_t)kb_backlight_config.level) * 255 / BACKLIGHT_LEVELS;
+      break;
+    }
+    case id_qmk_backlight_effect:
+    {
+      value_data[0] = kb_backlight_config.breathing ? 1 : 0;
+      break;
+    }
+  }
+}
+
+void backlight_set_value( uint8_t *data )
+{
+	uint8_t *value_id = &(data[0]);
+	uint8_t *value_data = &(data[1]);
+  switch (*value_id)
+  {
+    case id_qmk_backlight_brightness:
+    {
+      // level / 255 * BACKLIGHT_LEVELS
+      kb_backlight_config.level = ((uint16_t)value_data[0]) * BACKLIGHT_LEVELS / 255;
+      backlight_set(kb_backlight_config.level);
+      break;
+    }
+    case id_qmk_backlight_effect:
+    {
+      if ( value_data[0] == 0 ) {
+        kb_backlight_config.breathing = false;
+        breathing_disable();
+      } else {
+        kb_backlight_config.breathing = true;
+        breathing_enable();
+      }
+      break;
+    }
+  }
+}
+
 void raw_hid_receive_kb( uint8_t *data, uint8_t length )
 {
   uint8_t *command_id = &(data[0]);
@@ -139,6 +187,21 @@ void raw_hid_receive_kb( uint8_t *data, uint8_t length )
       }
       break;
     }
+    case id_lighting_set_value:
+    {
+      backlight_set_value(command_data);
+      break;
+    }
+    case id_lighting_get_value:
+    {
+      backlight_get_value(command_data);
+      break;
+    }
+    case id_lighting_save:
+    {
+      backlight_config_save();
+      break;
+    }
     default:
     {
       // Unhandled message.