On Wed, Nov 30, 2022 at 04:21:38PM +0100, Uwe Kleine-König wrote: > diff --git a/drivers/pwm/pwm-cros-ec.c b/drivers/pwm/pwm-cros-ec.c > index 7f10f56c3eb6..11684edc0620 100644 > --- a/drivers/pwm/pwm-cros-ec.c > +++ b/drivers/pwm/pwm-cros-ec.c > @@ -183,8 +183,8 @@ static int cros_ec_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, > return 0; > } > > -static void cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, > - struct pwm_state *state) > +static int cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, > + struct pwm_state *state) > { > struct cros_ec_pwm_device *ec_pwm = pwm_to_cros_ec_pwm(chip); > struct cros_ec_pwm *channel = pwm_get_chip_data(pwm); > @@ -193,7 +193,7 @@ static void cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, > ret = cros_ec_pwm_get_duty(ec_pwm, pwm->hwpwm); > if (ret < 0) { > dev_err(chip->dev, "error getting initial duty: %d\n", ret); > - return; > + return 0; > } > > state->enabled = (ret > 0); > @@ -212,6 +212,8 @@ static void cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, > state->duty_cycle = channel->duty_cycle; > else > state->duty_cycle = ret; > + > + return 0; > } For the cros-ec part: Reviewed-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>