diff --git a/[refs] b/[refs]
index c8a750c1b122..e06405cbb82e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1972d02504b142a6f1442bd987a8831146031d3d
+refs/heads/master: da2a2aaa8e3dddb41678af7e5295d9e3e6c030a4
diff --git a/trunk/sound/pci/hda/patch_sigmatel.c b/trunk/sound/pci/hda/patch_sigmatel.c
index 163aad599b6a..276073060576 100644
--- a/trunk/sound/pci/hda/patch_sigmatel.c
+++ b/trunk/sound/pci/hda/patch_sigmatel.c
@@ -3671,7 +3671,7 @@ static int set_mic_route(struct hda_codec *codec,
 		if (i < 0)
 			return -1;
 		mic->mux_idx = i;
-	}  else {
+	}  else if (spec->dmux_nids) {
 		/* digital pin */
 		mic->mux_idx = 0;
 		i = get_connection_index(codec, spec->dmux_nids[0], pin);
@@ -4373,7 +4373,8 @@ static int stac92xx_init(struct hda_codec *codec)
 	}
 	if (spec->auto_mic) {
 		/* initialize connection to analog input */
-		snd_hda_codec_write_cache(codec, spec->dmux_nids[0], 0,
+		if (spec->dmux_nids)
+			snd_hda_codec_write_cache(codec, spec->dmux_nids[0], 0,
 					  AC_VERB_SET_CONNECT_SEL, 0);
 		if (enable_pin_detect(codec, spec->ext_mic.pin, STAC_MIC_EVENT))
 			stac_issue_unsol_event(codec, spec->ext_mic.pin);