Aahh, at last I found this entry. I was debugging the dsdt from my Asus UX32VD
and I came to pretty much similar result.
The DID2 field is never initialized, which lets CDDS(DID2) return 0x1d and
makes _DCS useless. _DCS is used in _Q0E and _Q0F.
The lines in question:
============================================================
Store (And (Arg0, 0x0F0F), Local0)
If (LEqual (Zero, Local0))
{
Return (0x1D)
}
============================================================
used by Q0F:
============================================================
If (LNotEqual (^^^GFX0.LCDD._DCS (), 0x1F))
{
Return (One)
}
============================================================
Since _DCS returns 0x1d, _Q0E and _Q0F returns silently one, instead of
continuing until the Notify event is invoked.
Q0E/0F looks similar to your Q11, although _Q0E/F is a little bit more
complicated, but the overall structure is the same.
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https://bugs.launchpad.net/bugs/806032
Title:
Fn + F[89] does not work for controlling brightness on Clevo laptops
(B7130, W150HRM)
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