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Diffstat (limited to 'drivers/led/issi/is31fl3737.c')
-rw-r--r--drivers/led/issi/is31fl3737.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/led/issi/is31fl3737.c b/drivers/led/issi/is31fl3737.c
index 9f2a13de45..bce0c34b2c 100644
--- a/drivers/led/issi/is31fl3737.c
+++ b/drivers/led/issi/is31fl3737.c
@@ -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);