prepare callback can be called multiple times, so unprepare the stream if its already prepared. Without this DSP is not happy to setting the params on a already prepared graph. Fixes: 9b4fe0f1cd79 ("ASoC: qdsp6: audioreach: add q6apm-dai support") Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> --- sound/soc/qcom/qdsp6/q6apm-lpass-dais.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c index ce9e5646d8f3..23d23bc6fbaa 100644 --- a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c +++ b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c @@ -127,6 +127,11 @@ static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *substream, struct s int graph_id = dai->id; int rc; + if (dai_data->is_port_started[dai->id]) { + q6apm_graph_stop(dai_data->graph[dai->id]); + dai_data->is_port_started[dai->id] = false; + } + /** * It is recommend to load DSP with source graph first and then sink * graph, so sequence for playback and capture will be different -- 2.21.0