diff options
| author | Ryan <fauxpark@gmail.com> | 2023-09-14 17:02:40 +1000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-09-14 08:02:40 +0100 |
| commit | 76daf29ef0820438902eb64027c403cc3e37b892 (patch) | |
| tree | 3b67a3c9ba6632c84958f30f49678fc87eeaa070 /drivers/led/issi/is31fl3741.c | |
| parent | f9ed1e3ebc66b568a20848ae0f07052fbef5e4a8 (diff) | |
Add and use PWM frequency defines for ISSI LED drivers (#22009)
Diffstat (limited to 'drivers/led/issi/is31fl3741.c')
| -rw-r--r-- | drivers/led/issi/is31fl3741.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/led/issi/is31fl3741.c b/drivers/led/issi/is31fl3741.c index 2459677df0..2db1f021b1 100644 --- a/drivers/led/issi/is31fl3741.c +++ b/drivers/led/issi/is31fl3741.c @@ -49,6 +49,7 @@ #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 #ifndef IS31FL3741_I2C_TIMEOUT @@ -63,6 +64,10 @@ # define IS31FL3741_CONFIGURATION 0x01 #endif +#ifndef IS31FL3741_PWM_FREQUENCY +# define IS31FL3741_PWM_FREQUENCY IS31FL3741_PWM_FREQUENCY_29K_HZ +#endif + #ifndef IS31FL3741_SWPULLUP # define IS31FL3741_SWPULLUP IS31FL3741_PUR_32KR #endif @@ -170,6 +175,8 @@ void is31fl3741_init(uint8_t addr) { is31fl3741_write_register(addr, IS31FL3741_REG_GLOBALCURRENT, IS31FL3741_GLOBALCURRENT); // Set Pull up & Down for SWx CSy is31fl3741_write_register(addr, IS31FL3741_REG_PULLDOWNUP, ((IS31FL3741_CSPULLUP << 4) | IS31FL3741_SWPULLUP)); + // Set PWM frequency + is31fl3741_write_register(addr, IS31FL3741_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111)); // is31fl3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF); |