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authorJoel Challis <git@zvecr.com>2021-10-30 15:13:40 +0100
committerGitHub <noreply@github.com>2021-10-30 15:13:40 +0100
commitfb739a67c92483f6c072886b9ffbb90e55b6582d (patch)
treee53e55a347ff44912ef47163e5b7f2547849c27b /drivers/led
parent5851ac1934a3948403cd1666f2b9b519224c51ca (diff)
Enable configuration of PWM frequency for IS31FL3733B (#14983)
* Enable PWM frequency for IS31FL3733B * Document config option * clang
Diffstat (limited to 'drivers/led')
-rw-r--r--drivers/led/issi/is31fl3733.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/led/issi/is31fl3733.c b/drivers/led/issi/is31fl3733.c
index d99e5339c9..4ddd827caf 100644
--- a/drivers/led/issi/is31fl3733.c
+++ b/drivers/led/issi/is31fl3733.c
@@ -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);