提交 3ac3f5ca 编写于 作者: L Liam Girdwood 提交者: Mark Brown

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: NLiam Girdwood <lrg@ti.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
上级 3e453654
......@@ -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 */
......
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