pwm_backlight_update_status

raysonrayson — Sat, 06 Jun 2015 12:39:49 GMT

Hi everyone:

On imx6 sdq, I found pwm_backlight_update_status was called and the pwm was disabled ,

In function pwm_backlight_update_status()(drivers/video/backlight/pwm_bl.)

{

...........

pwm_config(pb->pwm, 0, pb->period);

pwm_disable(pb->pwm);

...............

}

and then , I got the current process, it is kworker/1:2, but I do not know how can the kworker trigger the pwm_backlight_update_status ???

Can anybody help me, thanks a lot .

Re: pwm_backlight_update_status

jimmychan — Tue, 09 Jun 2015 04:53:14 GMT

sorry, I don't understand your question. So, is the backlight work?

which board are you using?

which bsp are you using?