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

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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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GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 0 deletions
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6
sound/soc/qcom/qdsp6/q6apm-dai.c
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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 */