ALSA: hda - Add missing initialization of aamix paths

The loopback mixing paths aren't initialized correctly at init
callback.  Mostly this is harmless as codecs usually set the mute
state as default, but we still should make sure.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_generic.c

@@ -5140,6 +5140,23 @@ static void init_multi_io(struct hda_codec *codec)
 	}
 }
 
+static void init_aamix_paths(struct hda_codec *codec)
+{
+	struct hda_gen_spec *spec = codec->spec;
+
+	if (!spec->have_aamix_ctl)
+		return;
+	update_aamix_paths(codec, spec->aamix_mode, spec->out_paths[0],
+			   spec->aamix_out_paths[0],
+			   spec->autocfg.line_out_type);
+	update_aamix_paths(codec, spec->aamix_mode, spec->hp_paths[0],
+			   spec->aamix_out_paths[1],
+			   AUTO_PIN_HP_OUT);
+	update_aamix_paths(codec, spec->aamix_mode, spec->speaker_paths[0],
+			   spec->aamix_out_paths[2],
+			   AUTO_PIN_SPEAKER_OUT);
+}
+
 /* set up input pins and loopback paths */
 static void init_analog_input(struct hda_codec *codec)
 {
@@ -5242,6 +5259,7 @@ int snd_hda_gen_init(struct hda_codec *codec)
 	init_multi_out(codec);
 	init_extra_out(codec);
 	init_multi_io(codec);
+	init_aamix_paths(codec);
 	init_analog_input(codec);
 	init_input_src(codec);
 	init_digital(codec);