From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
---
drivers/soundwire/intel.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 13d3877bc6bb..861beb785171 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1062,6 +1062,22 @@ 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,
@@ -1070,6 +1086,7 @@ 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 = {
@@ -1080,6 +1097,7 @@ 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 = {
--
2.17.1
