--- gnome-settings-daemon-3.4.2/plugins/power/gsd-backlight-helper.c	2012-04-12 12:54:01.000000000 +0300
+++ gnome-settings-daemon-3.4.2.new/plugins/power/gsd-backlight-helper.c	2013-03-03 01:40:12.307026887 +0200
@@ -64,11 +64,11 @@
 	}
 
 	/* search the backlight devices and prefer the types:
-	 * firmware -> platform -> raw */
-	path = gsd_backlight_helper_get_type (devices, "firmware");
+	 * platform -> firmware -> raw */
+	path = gsd_backlight_helper_get_type (devices, "platform");
 	if (path != NULL)
 		goto out;
-	path = gsd_backlight_helper_get_type (devices, "platform");
+	path = gsd_backlight_helper_get_type (devices, "firmware");
 	if (path != NULL)
 		goto out;
 	path = gsd_backlight_helper_get_type (devices, "raw");