Catcrafts/milos-linux
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

TEST: q6apm-lpass-dais: start graph at prepare (q6afe-style) so BE clocks run before DAPM power-up

Browse source
This commit is contained in:
Jorijn van der Graaf 2026-07-05 04:50:39 +02:00
commit 62bfbe9a02
1 changed files with 15 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

15
sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
View file

@ -224,6 +224,21 @@ static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *substream, struct s
dev_err(dai->dev, "Failed to prepare Graph %d\n", rc);
goto err;
}
/*
* Start the port already at prepare, like q6afe does: this starts
* the interface clocks before the DAPM power-up sequence runs, so
* codecs that need a live BCLK at power-up (e.g. aw88261) can
* start synchronously. The trigger callback keeps its start as a
* no-op fallback via is_port_started.
*/
rc = q6apm_graph_start(dai_data->graph[dai->id]);
if (rc < 0) {
dev_err(dai->dev, "Failed to start APM port %d\n", dai->id);
goto err;
}
dai_data->is_port_started[dai->id] = true;
return 0;
err:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {