hda_nid_t nid = spec->pwr_nids[i];
                int pinctl, def_conf;
 
-               if (is_nid_hp_pin(cfg, nid) && spec->hp_detect)
+               /* power on when no jack detection is available */
+               if (!spec->hp_detect) {
+                       stac_toggle_power_map(codec, nid, 1);
+                       continue;
+               }
+
+               if (is_nid_hp_pin(cfg, nid))
                        continue; /* already has an unsol event */
 
                pinctl = snd_hda_codec_read(codec, nid, 0,
                 * any attempts on powering down a input port cause the
                 * referenced VREF to act quirky.
                 */
-               if (pinctl & AC_PINCTL_IN_EN)
+               if (pinctl & AC_PINCTL_IN_EN) {
+                       stac_toggle_power_map(codec, nid, 1);
                        continue;
+               }
                def_conf = snd_hda_codec_read(codec, nid, 0,
                                              AC_VERB_GET_CONFIG_DEFAULT, 0);
                def_conf = get_defcfg_connect(def_conf);