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path: root/src/soc/intel/alderlake/graphics.c
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2022-11-03soc/intel/alderlake: Hook up GMA ACPI brightness controlsTim Crawford
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> Reviewed-on: https://review.coreboot.org/c/coreboot/+/69076 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>