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ALSA: hda/realtek - Avoid multi-ios conflicting with multi-speakers

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When a machine has multiple speakers, we don't need to create the
controls for multi-ios.  Check the number of primary outputs beforehand.

Note that this workaround might not work always with new codecs in
future; this assumes that both speakers and multi-io jacks share the
same mixers/DACs.  If they are routed with different mixers, the
individual mixer controls should be needed.  But, so far, this doesn't
happen with the existing ALC codecs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-01-19 11:42:55 +01:00
parent f0e48b6bd4
commit b90bf1de7c
1 changed files with 1 additions and 1 deletions
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2
sound/pci/hda/patch_realtek.c
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@ -3233,7 +3233,7 @@ static int alc_auto_create_multi_out_ctls(struct hda_codec *codec,
int i, err, noutputs;
noutputs = cfg->line_outs;
if (spec->multi_ios > 0)
if (spec->multi_ios > 0 && cfg->line_outs < 3)
noutputs += spec->multi_ios;
for (i = 0; i < noutputs; i++) {