[PATCH AUTOSEL 5.4 208/350] ASoC: SOF: topology: set trigger order for FE DAI link

Sasha Levin
2019-12-10T21:23:23Z

From: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>

[ Upstream commit 5eee2b3f60065a2530d13f28e771be48b989eb4c ]

Set trigger order for FE DAI links to SND_SOC_DPCM_TRIGGER_POST
to trigger the BE DAI's before the FE DAI's. This prevents the
xruns seen on playback pipelines using the link DMA.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191104224812.3393-3-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/sof/topology.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index 4452594c2e17a..fa299e0781561 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -2828,6 +2828,10 @@ static int sof_link_load(struct snd_soc_component *scomp, int index,
if (!link->no_pcm) {
link->nonatomic = true;

+ /* set trigger order */
+ link->trigger[0] = SND_SOC_DPCM_TRIGGER_POST;
+ link->trigger[1] = SND_SOC_DPCM_TRIGGER_POST;
+
/* nothing more to do for FE dai links */
return 0;
}
--
2.20.1