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);
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)