diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 948f0be..6345df1 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -5078,9 +5078,9 @@
 				spec->gpio_dir, spec->gpio_data);
 	} else {
 		notmtd_lvl = spec->gpio_led_polarity ?
-				AC_PINCTL_VREF_HIZ : AC_PINCTL_VREF_GRD;
+				AC_PINCTL_VREF_50 : AC_PINCTL_VREF_GRD;
 		muted_lvl = spec->gpio_led_polarity ?
-				AC_PINCTL_VREF_GRD : AC_PINCTL_VREF_HIZ;
+				AC_PINCTL_VREF_GRD : AC_PINCTL_VREF_50;
 		spec->vref_led = muted ? muted_lvl : notmtd_lvl;
 		stac_vrefout_set(codec,	spec->vref_mute_led_nid,
 				 spec->vref_led);