From 782f63f7928e68ade8c1b6d8dd4407688f864841 Mon Sep 17 00:00:00 2001 From: Jan Luebbe Date: Thu, 8 Dec 2016 18:04:41 +0100 Subject: PWM: update enable status when using the internal API Without these, 'devinfo pwmX' will show enabled=0 even though the PWM was enabled (for example by a pwm-backlight). Signed-off-by: Jan Luebbe Signed-off-by: Sascha Hauer --- drivers/pwm/core.c | 4 ++++ 1 file changed, 4 insertions(+) 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); } -- cgit v1.2.3