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")
Reported-by: Srinivasa Rao Mandadapu <quic_srivasam@xxxxxxxxxxx>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
sound/soc/qcom/qdsp6/q6apm-dai.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c
index 19c4a90ec1ea..ee59ef36b85a 100644
--- a/sound/soc/qcom/qdsp6/q6apm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6apm-dai.c
@@ -147,6 +147,12 @@ static int q6apm_dai_prepare(struct snd_soc_component *component,
cfg.num_channels = runtime->channels;
cfg.bit_width = prtd->bits_per_sample;
+ if (prtd->state) {
+ /* clear the previous setup if any */
+ q6apm_graph_stop(prtd->graph);
+ q6apm_unmap_memory_regions(prtd->graph, substream->stream);
+ }
+
prtd->pcm_count = snd_pcm_lib_period_bytes(substream);
prtd->pos = 0;
/* rate and channels are sent to audio driver */
--
2.25.1
