diff --git a/[refs] b/[refs]
index 88379c31ff6e..25e527826b2d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 164f73ee93131f67a61eaca6a6f6180580c39445
+refs/heads/master: 5803a326465e38ee3cab8badbd8947732a8277f5
diff --git a/trunk/sound/pci/hda/patch_realtek.c b/trunk/sound/pci/hda/patch_realtek.c
index eba50dff6130..997cc8127a08 100644
--- a/trunk/sound/pci/hda/patch_realtek.c
+++ b/trunk/sound/pci/hda/patch_realtek.c
@@ -302,6 +302,9 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
 	int i, type, num_conns;
 	hda_nid_t nid;
 
+	if (!spec->input_mux)
+		return 0;
+
 	mux_idx = adc_idx >= spec->num_mux_defs ? 0 : adc_idx;
 	imux = &spec->input_mux[mux_idx];
 	if (!imux->num_items && mux_idx > 0)