diff options
Diffstat (limited to 'driver/led/lm3630a.c')
| -rw-r--r-- | driver/led/lm3630a.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/driver/led/lm3630a.c b/driver/led/lm3630a.c index b65294c543..d7e4718507 100644 --- a/driver/led/lm3630a.c +++ b/driver/led/lm3630a.c @@ -44,6 +44,10 @@ int lm3630a_poweron(void) /* Limit current to 24.5mA */ ret |= lm3630a_write(LM3630A_REG_A_CURRENT, 0x1a); + /* Set start-up ramp to 261ms, to prevent blip after initialization. */ + ret |= lm3630a_write(LM3630A_REG_ONOFF_RAMP, + LM3630A_RAMP_261_MS << LM3630A_RAMP_START_SHIFT); + /* Enable bank A, put in linear mode, and connect LED2 to bank A. */ ret |= lm3630a_write(LM3630A_REG_CONTROL, LM3630A_CTRL_BIT_LINEAR_A | |