OpenCorePkg/Docs/AcpiSamples/Source/SSDT-PNLFCFL.dsl

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// Adding PNLF device for WhateverGreen.kext and others.
// This one is specific to CFL+
// Rename GFX0 to anything else if your IGPU name is different.
DefinitionBlock ("", "SSDT", 2, "ACDT", "PNLFCFL", 0x00000000)
{
External (_SB_.PCI0.GFX0, DeviceObj)
Device (_SB.PCI0.GFX0.PNLF)
{
// Name (_ADR, Zero) // _ADR: Address
Name (_HID, EisaId ("APP0002")) // _HID: Hardware ID
Name (_CID, "backlight") // _CID: Compatible ID
Name (_UID, 0x13) // _UID: Unique ID
Method (_STA, 0, NotSerialized) // _STA: Status
{
If (_OSI ("Darwin"))
{
Return (0x0B)
}
Else
{
Return (Zero)
}
}
}
}