diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2020-07-01 02:43:52 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-07-15 10:09:35 +0530 |
| commit | 09553140c8d7be7d74e2e39796f644cc085ab273 (patch) | |
| tree | dca0b5a0ef03c61980396c40c94170ba250ee624 /drivers/soundwire | |
| parent | c5e3c684c3d8c1644c7f366a4b08b12cebec4c75 (diff) | |
soundwire: intel: implement get_sdw_stream() operations
This is needed to retrieve the information when the stream is
allocated at the dai_link level.
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/20200630184356.24939-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
| -rw-r--r-- | drivers/soundwire/intel.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 950e4cf09f2a..3f2f23cf8020 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -883,6 +883,22 @@ static int intel_pdm_set_sdw_stream(struct snd_soc_dai *dai, return cdns_set_sdw_stream(dai, stream, false, direction); } +static void *intel_get_sdw_stream(struct snd_soc_dai *dai, + int direction) +{ + struct sdw_cdns_dma_data *dma; + + if (direction == SNDRV_PCM_STREAM_PLAYBACK) + dma = dai->playback_dma_data; + else + dma = dai->capture_dma_data; + + if (!dma) + return NULL; + + return dma->stream; +} + static const struct snd_soc_dai_ops intel_pcm_dai_ops = { .startup = intel_startup, .hw_params = intel_hw_params, @@ -891,6 +907,7 @@ static const struct snd_soc_dai_ops intel_pcm_dai_ops = { .hw_free = intel_hw_free, .shutdown = intel_shutdown, .set_sdw_stream = intel_pcm_set_sdw_stream, + .get_sdw_stream = intel_get_sdw_stream, }; static const struct snd_soc_dai_ops intel_pdm_dai_ops = { @@ -901,6 +918,7 @@ static const struct snd_soc_dai_ops intel_pdm_dai_ops = { .hw_free = intel_hw_free, .shutdown = intel_shutdown, .set_sdw_stream = intel_pdm_set_sdw_stream, + .get_sdw_stream = intel_get_sdw_stream, }; static const struct snd_soc_component_driver dai_component = { |