1 files changed, 4 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 05fcd60cc46f..94d19c03a7f4 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2475,7 +2475,7 @@ static int stac92xx_hp_switch_put(struct snd_kcontrol *kcontrol,
  
         spec->hp_switch = ucontrol->value.integer.value[0] ? nid : 0;
 
-        /* check to be sure that the ports are upto date with
+        /* check to be sure that the ports are up to date with
          * switch changes
          */
         stac_issue_unsol_event(codec, nid);
@@ -3408,6 +3408,9 @@ static int get_connection_index(struct hda_codec *codec, hda_nid_t mux,
         hda_nid_t conn[HDA_MAX_NUM_INPUTS];
         int i, nums;
 
+        if (!(get_wcaps(codec, mux) & AC_WCAP_CONN_LIST))
+                return -1;
+
         nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
         for (i = 0; i < nums; i++)
                 if (conn[i] == nid)