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add the ability to change the pwm frequency for the IS31FL3737B (#16718)

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Simon 2022-03-24 19:08:22 +01:00 • committed by GitHub
parent 706bceeff8
commit dc9eb21332
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2 changed files with 6 additions and 1 deletions
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6
drivers/led/issi/is31fl3737.c
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@ -57,6 +57,10 @@
# define ISSI_PERSISTENCE 0
#endif
#ifndef ISSI_PWM_FREQUENCY
# define ISSI_PWM_FREQUENCY 0b000 // PFS - IS31FL3737B only
#endif
#ifndef ISSI_SWPULLUP
# define ISSI_SWPULLUP PUR_0R
#endif
@ -159,7 +163,7 @@ void IS31FL3737_init(uint8_t addr) {
// Set global current to maximum.
IS31FL3737_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF);
// Disable software shutdown.
IS31FL3737_write_register(addr, ISSI_REG_CONFIGURATION, 0x01);
IS31FL3737_write_register(addr, ISSI_REG_CONFIGURATION, ((ISSI_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);