[PATCH 05/10] ASoC: SOF: call platform hw_free for paused streams during suspend

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From: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>

Paused streams must be stopped and platform hw_free should be invoked
during system suspend so they can be restarted properly after system
resume.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
---
 sound/soc/sof/sof-audio.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index e00ce275052f..d81071b39825 100644
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -751,10 +751,17 @@ static int sof_tear_down_left_over_pipelines(struct snd_sof_dev *sdev)
 				continue;
 
 			if (spcm->stream[dir].list) {
+				/* Free PCM in the DSP */
 				ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm);
 				if (ret < 0)
 					return ret;
 
+				/* stop DMA */
+				ret = snd_sof_pcm_platform_hw_free(sdev, substream);
+				if (ret < 0)
+					return ret;
+
+				/* free the DAPM widget list */
 				ret = sof_widget_list_free(sdev, spcm, dir);
 				if (ret < 0) {
 					dev_err(sdev->dev, "failed to free widgets during suspend\n");
-- 
2.33.0




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