diff options
| author | Bard Liao <yung-chuan.liao@linux.intel.com> | 2022-07-08 14:13:11 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-07-13 14:26:13 +0100 |
| commit | 6d1c1a73e1126572de0a8b063fe62fe43786ed59 (patch) | |
| tree | 72a0c08f1167f06221e03483fcb766b42238179b /drivers/soundwire | |
| parent | 4e90651e52100ffb55828c0a6e4f1480eaa7b508 (diff) | |
| download | linux-6d1c1a73e1126572de0a8b063fe62fe43786ed59.tar.bz2 | |
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')
| -rw-r--r-- | drivers/soundwire/intel.c | 9 |
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", |