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path: root/resources/libreboot/patch/0002_i945_6731_6_extension_fix_uneven_backlight.git.diff
blob: eb8936ecfa191464d073c798bc872b251055e587 (plain)
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diff --git a/src/northbridge/intel/i945/acpi/igd.asl b/src/northbridge/intel/i945/acpi/igd.asl
index 47b66a7..f9c8ef4 100644
--- a/src/northbridge/intel/i945/acpi/igd.asl
+++ b/src/northbridge/intel/i945/acpi/igd.asl
@@ -216,14 +216,14 @@ Device (GFX0)
 
 		Method (_BCM, 1, NotSerialized)
 		{
-			Store (ShiftLeft (Arg0, 4), ^^BCLV)
+			Store (ShiftLeft (Arg0, 9), ^^BCLV)
 			Store (0x80000000, ^^CR1)
-			Store (ShiftLeft (0x61, 4), ^^BCLM)
+			Store (ShiftLeft (0x61, 9), ^^BCLM)
 		}
 		Method (_BQC, 0, NotSerialized)
 		{
 			Store (^^BCLV, Local0)
-			ShiftRight (Local0, 4, Local0)
+			ShiftRight (Local0, 9, Local0)
 			Return (Local0)
 		}