diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2023-12-06 12:43:19 +0100 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2023-12-13 15:51:14 +0000 |
| commit | 9e314ded2832908ef270468a5d8337c83f25f550 (patch) | |
| tree | 6eee69eadd007f87994fadee0a76ccc1643f3a10 /drivers/leds | |
| parent | e7431bd7899c955e126c742fe608512f7e2e111a (diff) | |
leds: qcom-lpg: Introduce a wrapper for getting driver data from a pwm chip
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/4785982785812615d15c7dd6d2755270bd8670b2.1701860672.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/rgb/leds-qcom-lpg.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c index 54c90ee43ef8..156b73d1f4a2 100644 --- a/drivers/leds/rgb/leds-qcom-lpg.c +++ b/drivers/leds/rgb/leds-qcom-lpg.c @@ -976,9 +976,14 @@ static int lpg_pattern_mc_clear(struct led_classdev *cdev) return lpg_pattern_clear(led); } +static inline struct lpg *lpg_pwm_from_chip(struct pwm_chip *chip) +{ + return container_of(chip, struct lpg, pwm); +} + static int lpg_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) { - struct lpg *lpg = container_of(chip, struct lpg, pwm); + struct lpg *lpg = lpg_pwm_from_chip(chip); struct lpg_channel *chan = &lpg->channels[pwm->hwpwm]; return chan->in_use ? -EBUSY : 0; @@ -994,7 +999,7 @@ static int lpg_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) static int lpg_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) { - struct lpg *lpg = container_of(chip, struct lpg, pwm); + struct lpg *lpg = lpg_pwm_from_chip(chip); struct lpg_channel *chan = &lpg->channels[pwm->hwpwm]; int ret = 0; @@ -1025,7 +1030,7 @@ out_unlock: static int lpg_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, struct pwm_state *state) { - struct lpg *lpg = container_of(chip, struct lpg, pwm); + struct lpg *lpg = lpg_pwm_from_chip(chip); struct lpg_channel *chan = &lpg->channels[pwm->hwpwm]; unsigned int resolution; unsigned int pre_div; |