diff options
| -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); |