From 9e314ded2832908ef270468a5d8337c83f25f550 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Wed, 6 Dec 2023 12:43:19 +0100 Subject: [PATCH] leds: qcom-lpg: Introduce a wrapper for getting driver data from a pwm chip MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/4785982785812615d15c7dd6d2755270bd8670b2.1701860672.git.u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones --- drivers/leds/rgb/leds-qcom-lpg.c | 11 ++++++++--- 1 file 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; -- 2.20.1