From 09553140c8d7be7d74e2e39796f644cc085ab273 Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Wed, 1 Jul 2020 02:43:52 +0800 Subject: 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 Signed-off-by: Bard Liao Link: https://lore.kernel.org/r/20200630184356.24939-2-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul --- drivers/soundwire/intel.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/soundwire/intel.c') 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 = { -- cgit v1.2.3