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ASoC: SOF: add helper to check if we should enter d0i3 suspend

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Add helper to check if the DSP should be put in D0i3. This function
returns true if a stream has ignored the SUSPEND trigger to keep the
pipelines running in the DSP.

Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191111223343.19986-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Keyon Jie 2019-11-11 16:33:42 -06:00 committed by Mark Brown
parent 58a972efd2
commit a77e5d573f
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GPG Key ID: 24D68B725D5487D0
2 changed files with 15 additions and 0 deletions
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13
sound/soc/sof/core.c
View File

@ -132,6 +132,19 @@ struct snd_sof_dai *snd_sof_find_dai(struct snd_sof_dev *sdev,
return NULL;
}
bool snd_sof_dsp_d0i3_on_suspend(struct snd_sof_dev *sdev)
{
struct snd_sof_pcm *spcm;
list_for_each_entry(spcm, &sdev->pcm_list, list) {
if (spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].suspend_ignored ||
spcm->stream[SNDRV_PCM_STREAM_CAPTURE].suspend_ignored)
return true;
}
return false;
}
/*
* FW Panic/fault handling.
*/

2
sound/soc/sof/sof-priv.h
View File

@ -553,6 +553,8 @@ struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_sof_dev *sdev,
return NULL;
}
bool snd_sof_dsp_d0i3_on_suspend(struct snd_sof_dev *sdev);
struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_sof_dev *sdev,
const char *name);
struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_sof_dev *sdev,