ALSA: hda - Correct aamix output paths

The output paths including aamix should be parsed only for the first
output.  The surround paths including aamix must be wrong, since it
would mix all streams, i.e. all channels would be mixed into a single
and multiplexed again.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_generic.c

@@ -918,7 +918,7 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs,
 				badness += bad->no_dac;
 		}
 		path = snd_hda_add_new_path(codec, dac, pin, HDA_PARSE_NO_AAMIX);
-		if (!path && i > 0 && spec->mixer_nid) {
+		if (!path && !i && spec->mixer_nid) {
 			/* try with aamix */
 			path = snd_hda_add_new_path(codec, dac, pin, HDA_PARSE_ALL);
 		}
@@ -1102,7 +1102,7 @@ static bool map_singles(struct hda_codec *codec, int outs,
 		if (!dac)
 			continue;
 		path = snd_hda_add_new_path(codec, dac, pins[i], HDA_PARSE_NO_AAMIX);
-		if (!path && i > 0 && spec->mixer_nid)
+		if (!path && !i && spec->mixer_nid)
 			path = snd_hda_add_new_path(codec, dac, pins[i], HDA_PARSE_ALL);
 		if (path) {
 			dacs[i] = dac;