mainboard/system76/lemp9: add GMA backlight control

2020-05-09 12:37:26 -06:00
parent fa200b0587
commit 0f11811ab7
2 changed files with 5 additions and 0 deletions
--- a/src/mainboard/system76/lemp9/devicetree.cb
+++ b/src/mainboard/system76/lemp9/devicetree.cb
@@ -167,6 +167,10 @@ chip soc/intel/cannonlake
 	# Serial IRQ Continuous
 	register "SerialIrqConfigSirqMode" = "1"

+# Graphics (soc/intel/cannonlake/graphics.c)
+	# IGD Displays
+    register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
 # LPC (soc/intel/cannonlake/lpc.c)
 	# LPC configuration from lspci -s 1f.0 -xxx
 	# Address 0x84: Decode 0x80 - 0x8F (Port 80)
--- a/src/mainboard/system76/lemp9/dsdt.asl
+++ b/src/mainboard/system76/lemp9/dsdt.asl
@@ -33,6 +33,7 @@ DefinitionBlock(
 	{
 		#include <soc/intel/common/block/acpi/acpi/northbridge.asl>
 		#include <soc/intel/cannonlake/acpi/southbridge.asl>
+		#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
 	}

 	#include <southbridge/intel/common/acpi/sleepstates.asl>