Re: [PATCH] i915: Quirk out disconnected backlight

From: David Woodhouse
Date: Fri Sep 14 2012 - 10:29:18 EST

On Fri, 2012-09-14 at 14:48 +0100, Matthew Garrett wrote:
> On Fri, Sep 14, 2012 at 01:57:06PM +0100, Grant Likely wrote:
> > 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 should be figuring out which one to use from the type field.

It only does that if it's using gsd-backlight-helper to poke
at /sys/class/backlight directly. If X exposes a backlight, (as it does
for the Intel backlight), then gsd will just use that.


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