Commit 09553140 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Vinod Koul
Browse files

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: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarBard 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: default avatarVinod Koul <vkoul@kernel.org>
parent c5e3c684

drivers/soundwire/intel.c

+18 −0
Original line number Diff line number Diff line
@@ -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 = {