Commit 4b2b7b1e authored by Uwe Kleine-König's avatar Uwe Kleine-König
Browse files

leds: qcom-lpg: Make use of devm_pwmchip_alloc() function 



This prepares the pwm sub-driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.

Acked-by: default avatarLee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/0be073477092eeccaac6c021cf07e38fc30c74fc.1707900770.git.u.kleine-koenig@pengutronix.de


Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
parent 596de87d

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

+10 −6
Original line number Diff line number Diff line
@@ -77,7 +77,7 @@ struct lpg { 


	struct mutex lock;



	struct pwm_chip pwm;

	struct pwm_chip *pwm;



	const struct lpg_data *data;
@@ -978,7 +978,7 @@ static int lpg_pattern_mc_clear(struct led_classdev *cdev) 


static inline struct lpg *lpg_pwm_from_chip(struct pwm_chip *chip)

{

	return container_of(chip, struct lpg, pwm);

	return pwmchip_get_drvdata(chip);

}



static int lpg_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
@@ -1093,13 +1093,17 @@ static const struct pwm_ops lpg_pwm_ops = { 


static int lpg_add_pwm(struct lpg *lpg)

{

	struct pwm_chip *chip;

	int ret;



	lpg->pwm.dev = lpg->dev;

	lpg->pwm.npwm = lpg->num_channels;

	lpg->pwm.ops = &lpg_pwm_ops;

	lpg->pwm = chip = devm_pwmchip_alloc(lpg->dev, lpg->num_channels, 0);

	if (IS_ERR(chip))

		return PTR_ERR(chip);



	ret = devm_pwmchip_add(lpg->dev, &lpg->pwm);

	chip->ops = &lpg_pwm_ops;

	pwmchip_set_drvdata(chip, lpg);



	ret = devm_pwmchip_add(lpg->dev, chip);

	if (ret)

		dev_err_probe(lpg->dev, ret, "failed to add PWM chip\n");