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Enable configuration of PWM frequency for IS31FL3733B (#14983)

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* Enable PWM frequency for IS31FL3733B

* Document config option

* clang
This commit is contained in:
Joel Challis
2021-10-30 15:13:40 +01:00
committed by GitHub
parent 5851ac1934
commit fb739a67c9
2 changed files with 6 additions and 1 deletions
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6
drivers/led/issi/is31fl3733.c
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@@ -56,6 +56,10 @@
# define ISSI_PERSISTENCE 0
#endif
#ifndef ISSI_PWM_FREQUENCY
# define ISSI_PWM_FREQUENCY 0b000 // PFS - IS31FL3733B only
#endif
// Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20];
@@ -157,7 +161,7 @@ void IS31FL3733_init(uint8_t addr, uint8_t sync) {
// Set global current to maximum.
IS31FL3733_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF);
// Disable software shutdown.
IS31FL3733_write_register(addr, ISSI_REG_CONFIGURATION, (sync << 6) | 0x01);
IS31FL3733_write_register(addr, ISSI_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((ISSI_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);