diff --git a/[refs] b/[refs]
index e25ff3b2c021..21d4a4b9cf05 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1c89fe3b51a2f8068f2f9faa9c48584151416583
+refs/heads/master: e2ef36c688d5844a986424c3194bd33212c968ce
diff --git a/trunk/sound/pci/hda/patch_sigmatel.c b/trunk/sound/pci/hda/patch_sigmatel.c
index eeb25d529e30..616678fde486 100644
--- a/trunk/sound/pci/hda/patch_sigmatel.c
+++ b/trunk/sound/pci/hda/patch_sigmatel.c
@@ -4929,6 +4929,12 @@ static int find_mute_led_gpio(struct hda_codec *codec, int default_polarity)
 				set_hp_led_gpio(codec);
 				return 1;
 			}
+			/* BIOS bug: unfilled OEM string */
+			if (strstr(dev->name, "HP_Mute_LED_P_G")) {
+				set_hp_led_gpio(codec);
+				spec->gpio_led_polarity = 1;
+				return 1;
+			}
 		}
 
 		/*