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ASoC: pcm: check if cpu-dai supports a given stream

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Now multi-cpu-dais are supported, we can skip cpi-dais which don't
support the current stream, following the example of multi-codec-dais.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200225133917.21314-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2020-02-25 21:39:17 +08:00 committed by Mark Brown
parent 6e1276a5e6
commit 0e9cf4c452
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GPG Key ID: 24D68B725D5487D0
1 changed files with 50 additions and 1 deletions
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51
sound/soc/soc-pcm.c
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@ -607,6 +607,20 @@ static void soc_pcm_init_runtime_hw(struct snd_pcm_substream *substream)
/* first calculate min/max only for CPUs in the DAI link */
for_each_rtd_cpu_dai(rtd, i, cpu_dai) {
/*
* Skip CPUs which don't support the current stream type.
* Otherwise, since the rate, channel, and format values will
* zero in that case, we would have no usable settings left,
* causing the resulting setup to fail.
* At least one CPU should match, otherwise we should have
* bailed out on a higher level, since there would be no
* CPU to support the transfer direction in that case.
*/
if (!snd_soc_dai_stream_valid(cpu_dai,
substream->stream))
continue;
cpu_stream = snd_soc_dai_get_pcm_stream(cpu_dai, stream);
cpu_chan_min = max(cpu_chan_min, cpu_stream->channels_min);
@ -1115,6 +1129,13 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
}
for_each_rtd_cpu_dai(rtd, i, cpu_dai) {
/*
* Skip CPUs which don't support the current stream
* type. See soc_pcm_init_runtime_hw() for more details
*/
if (!snd_soc_dai_stream_valid(cpu_dai, substream->stream))
continue;
ret = snd_soc_dai_hw_params(cpu_dai, substream, params);
if (ret < 0)
goto interface_err;
@ -1150,6 +1171,9 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
interface_err:
for_each_rtd_cpu_dai_rollback(rtd, i, cpu_dai) {
if (!snd_soc_dai_stream_valid(cpu_dai, substream->stream))
continue;
snd_soc_dai_hw_free(cpu_dai, substream);
cpu_dai->rate = 0;
}
@ -1226,8 +1250,12 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
snd_soc_dai_hw_free(codec_dai, substream);
}
for_each_rtd_cpu_dai(rtd, i, cpu_dai)
for_each_rtd_cpu_dai(rtd, i, cpu_dai) {
if (!snd_soc_dai_stream_valid(cpu_dai, substream->stream))
continue;
snd_soc_dai_hw_free(cpu_dai, substream);
}
mutex_unlock(&rtd->card->pcm_mutex);
return 0;
@ -1904,6 +1932,13 @@ static void dpcm_runtime_merge_chan(struct snd_pcm_substream *substream,
int i;
for_each_rtd_cpu_dai(be, i, dai) {
/*
* Skip CPUs which don't support the current stream
* type. See soc_pcm_init_runtime_hw() for more details
*/
if (!snd_soc_dai_stream_valid(dai, stream))
continue;
cpu_stream = snd_soc_dai_get_pcm_stream(dai, stream);
*channels_min = max(*channels_min,
@ -1952,6 +1987,13 @@ static void dpcm_runtime_merge_rate(struct snd_pcm_substream *substream,
int i;
for_each_rtd_cpu_dai(be, i, dai) {
/*
* Skip CPUs which don't support the current stream
* type. See soc_pcm_init_runtime_hw() for more details
*/
if (!snd_soc_dai_stream_valid(dai, stream))
continue;
cpu_stream = snd_soc_dai_get_pcm_stream(dai, stream);
*rate_min = max(*rate_min, cpu_stream->rate_min);
@ -1989,6 +2031,13 @@ static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream)
int i;
for_each_rtd_cpu_dai(rtd, i, cpu_dai) {
/*
* Skip CPUs which don't support the current stream
* type. See soc_pcm_init_runtime_hw() for more details
*/
if (!snd_soc_dai_stream_valid(cpu_dai, substream->stream))
continue;
cpu_dai_drv = cpu_dai->driver;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback);