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-rw-r--r--src/mainboard/lenovo/x60/dsdt.asl1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x60/dsdt.asl b/src/mainboard/lenovo/x60/dsdt.asl
index 842dbc3d72..4122917a5d 100644
--- a/src/mainboard/lenovo/x60/dsdt.asl
+++ b/src/mainboard/lenovo/x60/dsdt.asl
@@ -22,6 +22,7 @@
#define THINKPAD_EC_GPE 28
#define BRIGHTNESS_UP \DSPC.BRTU
#define BRIGHTNESS_DOWN \DSPC.BRTD
+#define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0
DefinitionBlock(
"dsdt.aml",