[alsa-devel] [PATCH v2 2/2] ASoC: SOF: topology: set trigger order for FE DAI link

[Ranjani Sridharan]

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 at linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 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 e0e2ae734632..e7076692119b 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -2951,6 +2951,10 @@ 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;
 	}
-- 
2.17.1