diff options
| author | Ranjani Sridharan <ranjani.sridharan@linux.intel.com> | 2021-11-25 13:15:16 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-11-26 16:24:21 +0300 |
| commit | d9a7246534753efa383ad8d05ab3691df846c4b4 (patch) | |
| tree | e1d0ce0d58c3d0d90750e0dd3c044560385d3901 /sound/soc/sof/sof-audio.c | |
| parent | 47934e0fcbbe2bf488bcae2d68431b9ea5972488 (diff) | |
| download | linux-d9a7246534753efa383ad8d05ab3691df846c4b4.tar.xz | |
ASoC: SOF: Add a helper for freeing PCM stream
Add a helper function to free PCM in the FW, stop the DMA and free the
widget list. These actions are performed both during PCM trigger STOP
and when a paused stream is freed during system suspend.
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>
Link: https://lore.kernel.org/r/20211125101520.291581-7-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/sof-audio.c')
| -rw-r--r-- | sound/soc/sof/sof-audio.c | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c index d81071b39825..a275f7b7c812 100644 --- a/sound/soc/sof/sof-audio.c +++ b/sound/soc/sof/sof-audio.c @@ -728,6 +728,31 @@ int sof_set_up_pipelines(struct snd_sof_dev *sdev, bool verify) return 0; } +int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, + struct snd_sof_pcm *spcm, int dir, bool free_widget_list) +{ + int ret; + + /* Send PCM_FREE IPC to reset pipeline */ + ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm); + if (ret < 0) + return ret; + + /* stop the DMA */ + ret = snd_sof_pcm_platform_hw_free(sdev, substream); + if (ret < 0) + return ret; + + /* free widget list */ + if (free_widget_list) { + ret = sof_widget_list_free(sdev, spcm, dir); + if (ret < 0) + dev_err(sdev->dev, "failed to free widgets during suspend\n"); + } + + return ret; +} + /* * Free the PCM, its associated widgets and set the prepared flag to false for all PCMs that * did not get suspended(ex: paused streams) so the widgets can be set up again during resume. @@ -751,22 +776,9 @@ 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); + ret = sof_pcm_stream_free(sdev, substream, spcm, dir, true); 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"); - return ret; - } } } |