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mb/google/cyan: Use ACPI backlight contrls

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Enables ACPI backlight controls under Windows.

Test: boot Win 10 on cyan and edgar variants, verify
screen backlight controls available and functional.

Change-Id: I8976291b5bafaec934d0bfd91fcdab50b381beec
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40120
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Matt DeVillier
2020-03-29 17:01:44 -05:00
parent 667d8af08a
commit 11cfcdd784
2 changed files with 4 additions and 0 deletions
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3
src/mainboard/google/cyan/devicetree.cb
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@@ -1,5 +1,8 @@
chip soc/intel/braswell chip soc/intel/braswell
# IGD Displays
register "gfx" = "GMA_STATIC_DISPLAYS(0)"
############################################################ ############################################################
# Set the parameters for MemoryInit # Set the parameters for MemoryInit
############################################################ ############################################################

1
src/mainboard/google/cyan/dsdt.asl
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@@ -33,6 +33,7 @@ DefinitionBlock(
Device (PCI0) Device (PCI0)
{ {
#include <acpi/southcluster.asl> #include <acpi/southcluster.asl>
#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
#if CONFIG(BOARD_GOOGLE_TERRA) #if CONFIG(BOARD_GOOGLE_TERRA)
#include <variant/acpi/cpu.asl> #include <variant/acpi/cpu.asl>
#else #else