On 17/05/2020 22.01, Sam Ravnborg wrote:
> The backlight support has two properties that express the state:
> - power
> - state
>
> It is un-documented and easy to get wrong.
> Add backlight_is_blank() helper to make it simpler for drivers
> to get the check of the state correct.
>
> A lot of d
On Sun, 17 May 2020 at 20:02, Sam Ravnborg wrote:
>
> The backlight support has two properties that express the state:
> - power
> - state
>
> It is un-documented and easy to get wrong.
> Add backlight_is_blank() helper to make it simpler for drivers
> to get the check of the state correct.
>
> A
On Sun, May 17, 2020 at 09:01:26PM +0200, Sam Ravnborg wrote:
> The backlight support has two properties that express the state:
> - power
> - state
>
> It is un-documented and easy to get wrong.
> Add backlight_is_blank() helper to make it simpler for drivers
> to get the check of the state corre
The backlight support has two properties that express the state:
- power
- state
It is un-documented and easy to get wrong.
Add backlight_is_blank() helper to make it simpler for drivers
to get the check of the state correct.
A lot of drivers also includes checks for fb_blank.
This check is redun
