Dne 04. 11. 19 v 23:48 Ranjani Sridharan napsal(a):
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
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; }
It seems that this patch breaks the signed 1.3 firmware. Tested on Lenovo Carbon X1 7th gen.
https://github.com/thesofproject/sof/issues/2102
Jaroslav