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.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
drivers/leds/rgb/leds-qcom-lpg.c | 16 ++++++++++------
1 file 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");
--
2.42.0
