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ASoC: Intel: sof_sdw: add dailink .prepare and .hw_free callback

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Add .prepare and .hw_free callback to dailink.

The companion patch for this patch is the removal of stream operations
in the .prepare and .hw_free callbacks at the DAI level in
drivers/soundwire/intel.c

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200904182854.3944-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2020-09-05 02:28:54 +08:00 • committed by Mark Brown
parent ae3a3918ed
commit 06998d49bc
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 40 additions and 0 deletions
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40
sound/soc/intel/boards/sof_sdw.c
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@ -225,6 +225,25 @@ int sdw_startup(struct snd_pcm_substream *substream)
return sdw_startup_stream(substream); return sdw_startup_stream(substream);
} }
static int sdw_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sdw_stream_runtime *sdw_stream;
struct snd_soc_dai *dai;
/* Find stream from first CPU DAI */
dai = asoc_rtd_to_cpu(rtd, 0);
sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
if (IS_ERR(sdw_stream)) {
dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
return PTR_ERR(sdw_stream);
}
return sdw_prepare_stream(sdw_stream);
}
static int sdw_trigger(struct snd_pcm_substream *substream, int cmd) static int sdw_trigger(struct snd_pcm_substream *substream, int cmd)
{ {
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
@ -265,6 +284,25 @@ static int sdw_trigger(struct snd_pcm_substream *substream, int cmd)
return ret; return ret;
} }
static int sdw_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sdw_stream_runtime *sdw_stream;
struct snd_soc_dai *dai;
/* Find stream from first CPU DAI */
dai = asoc_rtd_to_cpu(rtd, 0);
sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
if (IS_ERR(sdw_stream)) {
dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
return PTR_ERR(sdw_stream);
}
return sdw_deprepare_stream(sdw_stream);
}
void sdw_shutdown(struct snd_pcm_substream *substream) void sdw_shutdown(struct snd_pcm_substream *substream)
{ {
sdw_shutdown_stream(substream); sdw_shutdown_stream(substream);
@ -272,7 +310,9 @@ void sdw_shutdown(struct snd_pcm_substream *substream)
static const struct snd_soc_ops sdw_ops = { static const struct snd_soc_ops sdw_ops = {
.startup = sdw_startup, .startup = sdw_startup,
.prepare = sdw_prepare,
.trigger = sdw_trigger, .trigger = sdw_trigger,
.hw_free = sdw_hw_free,
.shutdown = sdw_shutdown, .shutdown = sdw_shutdown,
}; };