ALSA: hda - Initialize digital-input path properly

Call the path activation for the digital input pin properly, not only
setting the pin control.  Also add spec->digin_path for keeping the
path index.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_generic.c

@@ -2521,6 +2521,7 @@ static void parse_digital(struct hda_codec *codec)
 				print_nid_path("digin", path);
 				path->active = true;
 				spec->dig_in_nid = dig_nid;
+				spec->digin_path = snd_hda_get_path_idx(codec, path);
 				break;
 			}
 		}
@@ -3788,8 +3789,13 @@ static void init_digital(struct hda_codec *codec)
 				      spec->digout_paths[i]);
 	}
 	pin = spec->autocfg.dig_in_pin;
-	if (pin)
+	if (pin) {
+		struct nid_path *path;
 		snd_hda_set_pin_ctl_cache(codec, pin, PIN_IN);
+		path = snd_hda_get_path_from_idx(codec, spec->digin_path);
+		if (path)
+			snd_hda_activate_path(codec, path, path->active, false);
+	}
 }
 
 /* clear unsol-event tags on unused pins; Conexant codecs seem to leave

sound/pci/hda/hda_generic.h

@@ -136,6 +136,7 @@ struct hda_gen_spec {
 	int speaker_paths[AUTO_CFG_MAX_OUTS];
 	int digout_paths[AUTO_CFG_MAX_OUTS];
 	int loopback_paths[HDA_MAX_NUM_INPUTS];
+	int digin_path;
 
 	/* auto-mic stuff */
 	int am_num_entries;