[Bug 81515] [IVB Regression] Backlight is not adjustable and set at maximum level in kernels 3.16-rcX on HD 4000

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81515

--- Comment #21 from Hans de Goede <jwrdegoede at fedoraproject.org> ---
(In reply to comment #20)
> Yes we already did that. Hohahiu's laptop also claims to be Win8 in that its
> ACPI table has a _OSI("Windows 2012") query, that's all what we can judge.
> We don't really know if OEM has put a Win7 or a Win8 in it. If we know that,
> that would be a better hint than the _OSI query.

I tihnk we need to create a list of machines which need to not use
native-backlight even though they claim to be win8 ready, iow start a quirk
list which is the opposite of the one we've had until now.

This list should be considerably smaller, and thus less work to maintain.
Hohahiu's laptop would be the first one on it, and the only one we know about
sofar AFAIK.

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