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ASoC: dpcm: Allow FE to be opened without valid BE routes. 

Some userspace will open a PCM device and then configure mixers
for routing before triggering. This patch allows userspace to do
this sequence.

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Liam Girdwood 2012-07-06 17:07:00 +01:00 committed by Mark Brown
parent 3e4536546b
commit 3ac3f5ca91
1 changed files with 1 additions and 3 deletions
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4
sound/soc/soc-pcm.c
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@ -1955,10 +1955,8 @@ static int dpcm_fe_dai_open(struct snd_pcm_substream *fe_substream)
fe->dpcm[stream].runtime = fe_substream->runtime;
if (dpcm_path_get(fe, stream, &list) <= 0) {
dev_warn(fe->dev, "asoc: %s no valid %s route\n",
dev_dbg(fe->dev, "asoc: %s no valid %s route\n",
fe->dai_link->name, stream ? "capture" : "playback");
mutex_unlock(&fe->card->mutex);
return -EINVAL;
}
/* calculate valid and active FE <-> BE dpcms */