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authorBard Liao <yung-chuan.liao@linux.intel.com>2022-07-08 14:13:11 +0800
committerMark Brown <broonie@kernel.org>2022-07-13 14:26:13 +0100
commit6d1c1a73e1126572de0a8b063fe62fe43786ed59 (patch)
tree72a0c08f1167f06221e03483fcb766b42238179b /drivers/soundwire/intel.c
parent4e90651e52100ffb55828c0a6e4f1480eaa7b508 (diff)
soundwire: Intel: add trigger callback
When a pipeline is split into FE and BE parts, the BE pipeline may need to be triggered separately in the BE trigger op. So add the trigger callback in the link_res ops that will be invoked during BE DAI trigger. Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Acked-by: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20220708061312.25878-2-yung-chuan.liao@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/soundwire/intel.c')
-rw-r--r--drivers/soundwire/intel.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 0268fa527c0c..fed6418d6375 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1004,9 +1004,18 @@ static int intel_trigger(struct snd_pcm_substream *substream, int cmd, struct sn
{
struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
struct sdw_intel *sdw = cdns_to_intel(cdns);
+ struct sdw_intel_link_res *res = sdw->link_res;
struct sdw_cdns_dma_data *dma;
int ret = 0;
+ /*
+ * The .trigger callback is used to send required IPC to audio
+ * firmware. The .free_stream callback will still be called
+ * by intel_free_stream() in the TRIGGER_SUSPEND case.
+ */
+ if (res->ops && res->ops->trigger)
+ res->ops->trigger(dai, cmd, substream->stream);
+
dma = snd_soc_dai_get_dma_data(dai, substream);
if (!dma) {
dev_err(dai->dev, "failed to get dma data in %s\n",