>Here are the dsdt decompiled, and the acpidump output.
>Could you see also the section related to brightness control? I can
Yes, I found :
Method (_L02,..)
If (LEqual (Local0, 0x03))
{
Notify (\_SB.C002.C080.C13F, 0x87)
}
If (LEqual (Local0, 0x02))
{
Notify (\_SB.C002.C080.C13F, 0x86)
}
And:
_BCL, _BCM under C13F.
But there is NO _BQC. Instead of _BQC, there do have a _BCQ in DSDT.
Is this a bug of BIOS? Acpi video drvier needs _BQC to get the
current brightness level, and to get the next level to set on receiving
notification of 0x86 (Increase Brightness) , 0x87 (decrease Brightness).
Could you just try to replace _BQC with _BCQ in acpi/video.c?
Thanks,
Luming
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