From: Ranjani Sridharan ranjani.sridharan@linux.intel.com
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@linux.intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Signed-off-by: Kai Vehmanen kai.vehmanen@linux.intel.com --- 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");