diff options
| -rw-r--r-- | drivers/pwm/core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 360520195a..ee65619c4e 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -281,6 +281,8 @@ unsigned int pwm_get_duty_cycle(struct pwm_device *pwm) */ int pwm_enable(struct pwm_device *pwm) { + pwm->p_enable = 1; + if (!test_and_set_bit(FLAG_ENABLED, &pwm->flags)) return pwm->chip->ops->enable(pwm->chip); @@ -293,6 +295,8 @@ EXPORT_SYMBOL_GPL(pwm_enable); */ void pwm_disable(struct pwm_device *pwm) { + pwm->p_enable = 0; + if (test_and_clear_bit(FLAG_ENABLED, &pwm->flags)) pwm->chip->ops->disable(pwm->chip); } |