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-rw-r--r--src/mainboard/lenovo/t60/dsdt.asl2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t60/dsdt.asl b/src/mainboard/lenovo/t60/dsdt.asl
index 383bb30c35..842dbc3d72 100644
--- a/src/mainboard/lenovo/t60/dsdt.asl
+++ b/src/mainboard/lenovo/t60/dsdt.asl
@@ -20,6 +20,8 @@
*/
#define THINKPAD_EC_GPE 28
+#define BRIGHTNESS_UP \DSPC.BRTU
+#define BRIGHTNESS_DOWN \DSPC.BRTD
DefinitionBlock(
"dsdt.aml",