Hello,
I applied the patch, trying to get brightness controls for my X121e.
But it looks like I need a different loader.conf setting.
hw.pci0.0.2.0.handle="\\\\_SB_.PCI0.PEG.VID"
doesn't work. In my ASl there is only one device providing DOD / DOS:
Scope (_SB.PCI0)
{
Device (GFX0)
{
Name (_ADR, 0x00020000) // _ADR: Address
Method (_DOS, 1, NotSerialized) // _DOS: Disable Output
Switching
{
Store (And (Arg0, 0x07), DSEN)
If (LEqual (And (Arg0, 0x03), Zero))
{
If (CondRefOf (HDOS))
{
HDOS ()
}
}
}
Method (_DOD, 0, NotSerialized) // _DOD: Display Output Devices
{
If (CondRefOf (IDAB))
{
IDAB ()
}
Else
{
[truncated]
Unfortunately I'm far away from understanding the ASL, so I can only
guess this is the part where my graphics device is described. Also,
because I don't have a PEG device with DOD / DOS, I fear the described
patch for the X220 will not solve the problem for me?
My ASL is located here:
https://d2ux.org/owncloud/public.php?service=files&t=7022f90cea5e48da7fa65806c0d66091
I would really appreciate if someone with more ACPI background could
take a look at it and
tell me what I should try next.
Thanks & kind regards,
Matthias
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