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    SubjectRe: [PATCH] i915: Quirk out disconnected backlight
    On Fri, Sep 14, 2012 at 2:01 PM, Chris Wilson <> wrote:
    > On Fri, 14 Sep 2012 13:57:06 +0100, Grant Likely <> 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.

    Perhaps, but userspace (Ubuntu) isn't doing anything with it, and it
    still remains that it makes no sense whatsoever to register a
    backlight device that doesn't exist.


    > -Chris
    > --
    > Chris Wilson, Intel Open Source Technology Centre

    Grant Likely, B.Sc., P.Eng.
    Secret Lab Technologies Ltd.

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