[coreboot-gerrit] Change in coreboot[master]: mb/google/auron: Add support for ACPI backlight controls

[Matt DeVillier (Code Review)]

Matt DeVillier has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/39944 )

Change subject: mb/google/auron: Add support for ACPI backlight controls
......................................................................

mb/google/auron: Add support for ACPI backlight controls

Test: build/boot lulu and samus variants, verify backlight
control functional under Windows 10.

Change-Id: I4725fdea5206ae03df14a8b07e51fdf09f1edebd
Signed-off-by: Matt DeVillier 
---
M src/mainboard/google/auron/devicetree.cb
M src/mainboard/google/auron/dsdt.asl
2 files changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/44/39944/1

diff --git a/src/mainboard/google/auron/devicetree.cb b/src/mainboard/google/auron/devicetree.cb
index 35074b4..f28a508 100644
--- a/src/mainboard/google/auron/devicetree.cb
+++ b/src/mainboard/google/auron/devicetree.cb
@@ -1,5 +1,8 @@
 chip soc/intel/broadwell

+	# IGD Displays
+	register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
    # Enable eDP Hotplug with 6ms pulse
    register "gpu_dp_d_hotplug" = "0x06"

diff --git a/src/mainboard/google/auron/dsdt.asl b/src/mainboard/google/auron/dsdt.asl
index f7c5000..a22dedd 100644
--- a/src/mainboard/google/auron/dsdt.asl
+++ b/src/mainboard/google/auron/dsdt.asl
@@ -38,6 +38,7 @@
    	{
    		#include <soc/intel/broadwell/acpi/systemagent.asl>
    		#include <soc/intel/broadwell/acpi/pch.asl>
+			#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
    	}
    }