diff options
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 903138b1884..ffbef95e88d 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -733,6 +733,18 @@ void devm_pwm_put(struct device *dev, struct pwm_device *pwm) } EXPORT_SYMBOL_GPL(devm_pwm_put); +/** + * pwm_can_sleep() - report whether PWM access will sleep + * @pwm: PWM device + * + * It returns true if accessing the PWM can sleep, false otherwise. + */ +bool pwm_can_sleep(struct pwm_device *pwm) +{ + return pwm->chip->can_sleep; +} +EXPORT_SYMBOL_GPL(pwm_can_sleep); + #ifdef CONFIG_DEBUG_FS static void pwm_dbg_show(struct pwm_chip *chip, struct seq_file *s) { |