Re: [PATCH] acpi-video: Add disable_native_backlight quirk for Dell XPS15 L521X

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On Sun, Jan 11, 2015 at 11:37:52AM +0100, Hans de Goede wrote:

> Userspace is writing to the intel_backlight device because it is the
> only one present under /sys/class/backlight, as we disable acpi-video
> on win8 ready laptops by default now.

Why is nouveau not providing a backlight device?

> The commit message may not be 100% accurate, although I believe this is
> related to the laptop having nvidia graphics, but the code / fix is correct
> regardless.

I don't think we have enough evidence to know whether this fix is 
correct.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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