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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:33:21 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-22 14:39:28 +0100 |
| commit | 4b2b7b1e8730d51542c62ba75dabeb52243dfb49 (patch) | |
| tree | e28f98d1c7d58fca9fb4392981303640bd197579 /drivers/leds | |
| parent | 596de87ddfc72fa2d62e1dab6be10415a6293565 (diff) | |
| download | linux-4b2b7b1e8730d51542c62ba75dabeb52243dfb49.tar.gz linux-4b2b7b1e8730d51542c62ba75dabeb52243dfb49.tar.bz2 linux-4b2b7b1e8730d51542c62ba75dabeb52243dfb49.zip | |
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: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/0be073477092eeccaac6c021cf07e38fc30c74fc.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/rgb/leds-qcom-lpg.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c index 156b73d1f4a2..0a7acf59a420 100644 --- a/drivers/leds/rgb/leds-qcom-lpg.c +++ b/drivers/leds/rgb/leds-qcom-lpg.c @@ -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"); |