Fixing the kernels backlight API

[Matthew Garrett]

On Thu, Feb 13, 2014 at 08:43:10PM +0100, Hans de Goede wrote:

> I can understand where Dave is coming from, from a kernel pov, so this
> might really be easier to just solve in userspace. I don't know if you've
> seen my very rough sketch of how this could work in userspace in my other
> mail. The idea would be to still make this show up on a specific connector,
> but only at the xrandr level, not at the drm level, and have the xserver
> talk to some kind of backlightd for this.  The backlightd API should of cource
> be generic enough that it can be used in wayland too.

Sure. You should probably take a look at libbacklight, which already has 
some amount of support for appropriate heuristics.

-- 
Matthew Garrett | mjg59 at srcf.ucam.org