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ALSA: hda - Check aamix-output paths from other DACs, too

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Many codecs provide routes to multiple output pins through an aamix
widget, but most of them do it only from a single DAC.  However, the
current generic parser checks only the aamix paths from the original
(directly bound) DACs through aamix NID, and miss the path:
  primary DAC -> aamix -> target out pin

This patch adds a more check for the routes like the above.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-01-21 14:24:31 +01:00
parent 1fa335b0b7
commit f87498b651
1 changed files with 15 additions and 3 deletions
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18
sound/pci/hda/hda_generic.c
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@ -1313,14 +1313,26 @@ static int check_aamix_out_path(struct hda_codec *codec, int path_idx)
{
struct hda_gen_spec *spec = codec->spec;
struct nid_path *path;
hda_nid_t dac, pin;
path = snd_hda_get_path_from_idx(codec, path_idx);
if (!path || !path->depth ||
is_nid_contained(path, spec->mixer_nid))
return 0;
path = snd_hda_add_new_path(codec, path->path[0],
path->path[path->depth - 1],
spec->mixer_nid);
dac = path->path[0];
pin = path->path[path->depth - 1];
path = snd_hda_add_new_path(codec, dac, pin, spec->mixer_nid);
if (!path) {
if (dac != spec->multiout.dac_nids[0])
dac = spec->multiout.dac_nids[0];
else if (spec->multiout.hp_out_nid[0])
dac = spec->multiout.hp_out_nid[0];
else if (spec->multiout.extra_out_nid[0])
dac = spec->multiout.extra_out_nid[0];
if (dac)
path = snd_hda_add_new_path(codec, dac, pin,
spec->mixer_nid);
}
if (!path)
return 0;
/* print_nid_path("output-aamix", path); */