Commit 9e314ded authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Lee Jones
Browse files

leds: qcom-lpg: Introduce a wrapper for getting driver data from a pwm chip 



Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/4785982785812615d15c7dd6d2755270bd8670b2.1701860672.git.u.kleine-koenig@pengutronix.de


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent e7431bd7

drivers/leds/rgb/leds-qcom-lpg.c

+8 −3
Original line number Diff line number Diff line
@@ -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 @@ static int lpg_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, 
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;