Nit: Subject line descriptions start with an uppercase char in LED. > LED controller should be reset during initialization to avoid abnormal > behaviors. For example, when power to SoC is recycled but power to LED > controller is not, LED controller should not presume to be in original > state. > > Signed-off-by: Jack Chen <zenghuchen@xxxxxxxxxx> > --- > drivers/leds/flash/leds-lm3601x.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/leds/flash/leds-lm3601x.c b/drivers/leds/flash/leds-lm3601x.c > index 7e93c447fec5..978256310540 100644 > --- a/drivers/leds/flash/leds-lm3601x.c > +++ b/drivers/leds/flash/leds-lm3601x.c > @@ -434,6 +434,10 @@ static int lm3601x_probe(struct i2c_client *client) > return ret; > } > > + ret = regmap_write(led->regmap, LM3601X_DEV_ID_REG, LM3601X_SW_RESET); So this controller is reset via the ID register? > + if (ret) > + dev_warn(&client->dev, "led controller is failed to reset\n"); "LED controller failed to reset" Or "Failed to reset the LED controller" > mutex_init(&led->lock); > > return lm3601x_register_leds(led, fwnode); > -- > 2.46.0.rc1.232.g9752f9e123-goog > > -- Lee Jones [李琼斯]