--- xf86-video-intel-2.20.0.orig/src/intel_display.c	2012-07-15 21:02:49.000000000 +1000
+++ xf86-video-intel-2.20.0/src/intel_display.c	2012-07-24 11:53:42.762165514 +1000
@@ -127,6 +127,7 @@
  * List of available kernel interfaces in priority order
  */
 static const char *backlight_interfaces[] = {
+	"gmux_backlight",
 	"asus-laptop",
 	"asus-nb-wmi",
 	"eeepc",