tree 7fc19295e52c2a65a2968552ca8bf4ccdbc34d6d
parent 576f1cd44b89c0436332200ca35ccd9f9bb54815
author Karthikeyan Ramasubramanian <kramasub@google.com> 1719010596 +0000
committer Felix Held <felix-coreboot@felixheld.de> 1719412177 +0000

mb/google/brox: Add default ACPI brightness levels

Kernel need the default brightness steps. Otherwise following error
messages are observed in the kernel:
[Firmware Bug]: ACPI(GFX0) defines _DOD but not _DOS
ACPI BIOS Error (bug): Could not resolve symbol [^^XBCL], AE_NOT_FOUND
ACPI Error: Aborting method \_SB.PCI0.GFX0.LCD0._BCL due to previous
error (AE_NOT_FOUND)

BUG=b:346807006
TEST=Build Brox BIOS image and boot to OS. Ensure that the concerned
error messages are resolved. Ensure that the backlight controls are
functional.

Change-Id: Icd569b0efef31908edb1b7dc384e60a16fc5bd0c
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83152
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shelley Chen <shchen@google.com>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>