sysmo-bts
/
barebox
9
0
Fork 0
Code Releases Activity

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 <jlu@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jan Luebbe 2016-12-08 18:04:41 +01:00 committed by Sascha Hauer
parent 34babf2121
commit 782f63f792
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/pwm/core.c
View File

@ -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);
}