Attention is currently required from: Tarun Tuli, Subrata Banik.

Tim Crawford uploaded patch set #2 to this change.

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soc/intel/alderlake: Hook up GMA ACPI brightness controls

Add function needed to generate ACPI backlight control SSDT, along with
Kconfig values for accessing the registers.

Tested by adding gfx register on system76/lemp11. Backlight controls
work on Windows 10 and Linux 6.1.

Change-Id: I1cc33bf0121ff44aea68a7e3615c5e58e2ab6ce2
Signed-off-by: Tim Crawford <tcrawford@system76.com>
---
M src/soc/intel/alderlake/Kconfig
M src/soc/intel/alderlake/Makefile.inc
M src/soc/intel/alderlake/chip.h
A src/soc/intel/alderlake/graphics.c
4 files changed, 44 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/76/69076/2

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