ASoC: qdsp6: q6apm-dai: unprepare stream if its already prepared

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: 9b4fe0f1cd ("ASoC: qdsp6: audioreach: add q6apm-dai support")
Reported-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220610144818.511797-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2022-06-10 15:48:18 +01:00 committed by Mark Brown
parent 81eef68f3b
commit 6548c884a5
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@ -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 */