diff options
Diffstat (limited to 'drivers/led/issi/is31fl3741.c')
| -rw-r--r-- | drivers/led/issi/is31fl3741.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/led/issi/is31fl3741.c b/drivers/led/issi/is31fl3741.c index c2cdd4c46f..d5dfaf1de6 100644 --- a/drivers/led/issi/is31fl3741.c +++ b/drivers/led/issi/is31fl3741.c @@ -104,9 +104,7 @@ void IS31FL3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) { } bool IS31FL3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { - // unlock the command register and select PG2 - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM0); + // Assume PG1 is already selected for (int i = 0; i < 342; i += 18) { if (i == 180) { @@ -222,6 +220,10 @@ 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, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); + IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM0); + IS31FL3741_write_pwm_buffer(addr, g_pwm_buffer[index]); } |