diff options
| author | Ranjani Sridharan <ranjani.sridharan@linux.intel.com> | 2019-06-12 12:23:38 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-06-17 13:43:48 +0100 |
| commit | 7077a07a72d38a78040873bbc13a77d1e45f8aa0 (patch) | |
| tree | 9cd950de4ec0f2bd4e8cbec2905bb8823fd92b91 /sound/soc/sof/pm.c | |
| parent | 6b2239e3337b4c46b850078a6fc8f1a70ebe1c1f (diff) | |
ASoC: SOF: Intel: hda: release link DMA for paused streams during suspend
Paused streams do not get suspended when the system enters S3.
So, clear and release link DMA channel for such streams in the
hda_dsp_set_hw_params_upon_resume() callback. Also, invalidate
the link DMA channel in the DAI config before restoring the
dai config upon resume. Also, modify the signature for the
set_hw_params_upon_resume() op to return an int.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/pm.c')
| -rw-r--r-- | sound/soc/sof/pm.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c index b7843f02ef67..8eeb3a1029f2 100644 --- a/sound/soc/sof/pm.c +++ b/sound/soc/sof/pm.c @@ -153,6 +153,15 @@ static int sof_restore_pipelines(struct snd_sof_dev *sdev) continue; } + /* + * The link DMA channel would be invalidated for running + * streams but not for streams that were in the PAUSED + * state during suspend. So invalidate it here before setting + * the dai config in the DSP. + */ + if (config->type == SOF_DAI_INTEL_HDA) + config->hda.link_dma_ch = DMA_CHAN_INVALID; + ret = sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size, @@ -204,7 +213,7 @@ static int sof_send_pm_ipc(struct snd_sof_dev *sdev, int cmd) sizeof(pm_ctx), &reply, sizeof(reply)); } -static void sof_set_hw_params_upon_resume(struct snd_sof_dev *sdev) +static int sof_set_hw_params_upon_resume(struct snd_sof_dev *sdev) { struct snd_pcm_substream *substream; struct snd_sof_pcm *spcm; @@ -229,7 +238,7 @@ static void sof_set_hw_params_upon_resume(struct snd_sof_dev *sdev) } /* set internal flag for BE */ - snd_sof_dsp_hw_params_upon_resume(sdev); + return snd_sof_dsp_hw_params_upon_resume(sdev); } #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) @@ -333,8 +342,15 @@ static int sof_suspend(struct device *dev, bool runtime_suspend) snd_sof_release_trace(sdev); /* set restore_stream for all streams during system suspend */ - if (!runtime_suspend) - sof_set_hw_params_upon_resume(sdev); + if (!runtime_suspend) { + ret = sof_set_hw_params_upon_resume(sdev); + if (ret < 0) { + dev_err(sdev->dev, + "error: setting hw_params flag during suspend %d\n", + ret); + return ret; + } + } #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) /* cache debugfs contents during runtime suspend */ |