[PATCH] i915: Quirk out disconnected backlight

[Chris Wilson]

On Fri, 14 Sep 2012 13:57:06 +0100, Grant Likely <grant.likely at secretlab.ca> wrote:
> Some platforms (for instance MacbookPros) have custom backlight drivers
> and don't use the integrated i915 backlight control. This patch adds a
> quirk to disable registering the intel backlight when unused on a
> platform.
> 
> Tested on MacbookPro8,3. Without this patch both the intel_backlight and
> gmux_backlight devices get registered and userspace doesn't know which
> it should use.

Userspace is informed throught the backlight/type property.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre