[Guide] Patching DSDT/SSDT for LAPTOP backlight control

[Jingu]

Got it. Thanks.

 

[xrayos]

RehabMan,

Looking for the "brightness fix" patch. Was it removed from your directory?

https://github.com/RehabMan/Laptop-DSDT-Patch


Thanks

 

[RehabMan]

RehabMan,

Looking for the "brightness fix" patch. Was it removed from your directory?

https://github.com/RehabMan/Laptop-DSDT-Patch


Thanks

It is still there:

 

[xrayos]

^ Thanks. I just found it.


Which "brightness fix" should I use for Skylake integrated graphics Intel 520?


thanks again

 

[RehabMan]

^ Thanks. I just found it.


Which "brightness fix" should I use for Skylake integrated graphics Intel 520?


thanks again

As per guide, post #1, use "Brightness Fix" and IntelBacklight.kext.

 

[xrayos]

RehabMan,

Got the brightness slider to work with my Dell xps 13 (9350), but cannot remap the keys. I installed the ACPIdebug.kext and added the two DSDT patches necessary to get EC queries.

Anyhow, both my F11 and F12 keys, output "EC _Q66 enter"

I've seen this referenced before, but how do I implement it into the following? This is supposedly for the Dell xps laptops using your voodoops2 controller.



Method (BRT6, 2, NotSerialized)
{
If (LEqual (Arg0, One))
{
Notify (\_SB.PCI0.LPCB.PS2K, 0x10)
}

If (And (Arg0, 0x02))
{
Notify (\_SB.PCI0.LPCB.PS2K, 0x20)
}
}

 

[RehabMan]

RehabMan,

Got the brightness slider to work with my Dell xps 13 (9350), but cannot remap the keys. I installed the ACPIdebug.kext and added the two DSDT patches necessary to get EC queries.

Anyhow, both my F11 and F12 keys, output "EC _Q66 enter"

I've seen this referenced before, but how do I implement it into the following? This is supposedly for the Dell xps laptops using your voodoops2 controller.



Method (BRT6, 2, NotSerialized)
{
If (LEqual (Arg0, One))
{
Notify (\_SB.PCI0.LPCB.PS2K, 0x10)
}

If (And (Arg0, 0x02))
{
Notify (\_SB.PCI0.LPCB.PS2K, 0x20)
}
}

You should read the XPS 9350 thread. This has come up before and already solved. The folks with 9350 should write a clear guide so that others will not ask the same question.

 

[xrayos]

You should read the XPS 9350 thread. This has come up before and already solved. The folks with 9350 should write a clear guide so that others will not ask the same question.

I think they did for the applesmarttouchps2 driver. Different codes for the voodoops2 driver

 

[RehabMan]

I think they did for the applesmarttouchps2 driver. Different codes for the voodoops2 driver

The codes required for each driver are covered in post #1.

 

[lazzy]

Hello
it works fine with IntelBacklight.kext and brightness fix
I use ApplePS2SmartTouchPad.kext
i do patch fn+ F8 and Fn+F9

#Edit methods Q11 and Q12 to interface with KBC0 (or PS2K in some systems),
into method label _Q11 replace_content
begin
// Brightness Down
Notify (PS2K, 0x20)
end;

into method label _Q12 replace_content
begin
// Brightness Up
Notify (PS2K, 0x10)
end;
​

I works fine Fn+f9 _Q12 notify(PS2k,0x10) brightness up
but Fn+F8 brightness is going up also. so Notify (PS2K, 0x20) works like Notify (PS2K, 0x10) How can i fix it?
Thanks