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

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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>
This commit is contained in:
Uwe Kleine-König
2023-12-06 12:43:19 +01:00
committed by Lee Jones
parent e7431bd789
commit 9e314ded28
1 changed files with 8 additions and 3 deletions
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11
drivers/leds/rgb/leds-qcom-lpg.c
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@@ -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;