diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:31:39 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-19 11:04:10 +0100 |
| commit | 8a18b9733239f794cb5e53c876760302a21f804d (patch) | |
| tree | 92d1d5fe7dd2675eeb0f5d65b91585b6f3839b72 /drivers/pwm/pwm-iqs620a.c | |
| parent | a1d81abc03b3d8d110d99b5efeb64d5f323c1c45 (diff) | |
pwm: iqs620a: Create a wrapper for converting a pwm_chip to driver data
There is no semantic change. The new function just implements what was
open-coded twice in the driver before.
Link: https://lore.kernel.org/r/cc7ab547b4c4b79456b548aa72205bcf4476db8c.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm/pwm-iqs620a.c')
| -rw-r--r-- | drivers/pwm/pwm-iqs620a.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-iqs620a.c b/drivers/pwm/pwm-iqs620a.c index 378ab036edfe..98008cae6d70 100644 --- a/drivers/pwm/pwm-iqs620a.c +++ b/drivers/pwm/pwm-iqs620a.c @@ -40,6 +40,11 @@ struct iqs620_pwm_private { unsigned int duty_scale; }; +static inline struct iqs620_pwm_private *iqs620_pwm_from_chip(struct pwm_chip *chip) +{ + return container_of(chip, struct iqs620_pwm_private, chip); +} + static int iqs620_pwm_init(struct iqs620_pwm_private *iqs620_pwm, unsigned int duty_scale) { @@ -73,7 +78,7 @@ static int iqs620_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, if (state->period < IQS620_PWM_PERIOD_NS) return -EINVAL; - iqs620_pwm = container_of(chip, struct iqs620_pwm_private, chip); + iqs620_pwm = iqs620_pwm_from_chip(chip); /* * The duty cycle generated by the device is calculated as follows: @@ -109,7 +114,7 @@ static int iqs620_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, { struct iqs620_pwm_private *iqs620_pwm; - iqs620_pwm = container_of(chip, struct iqs620_pwm_private, chip); + iqs620_pwm = iqs620_pwm_from_chip(chip); mutex_lock(&iqs620_pwm->lock); |