diff options
| author | Rander Wang <rander.wang@intel.com> | 2023-02-14 12:33:45 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-02-14 13:25:15 +0000 |
| commit | 6611b975eb87d7793e4632575649308762e7d01e (patch) | |
| tree | 675b38353b086af6de4cf9e26bd3f5dedffd5257 | |
| parent | 3e6b6ed34bda047a818003a8c06d368eb3596bba (diff) | |
ASoC: SOF: Intel: hda-dsp: Set streaming flag for d0i3
Enable d0i3 streaming if all the active streams can
work in d0i3 state and playback is enabled.
Signed-off-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230214103345.30669-6-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/sof/intel/hda-dsp.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c index e34fe0c9bcde..68eb06f13a1f 100644 --- a/sound/soc/sof/intel/hda-dsp.c +++ b/sound/soc/sof/intel/hda-dsp.c @@ -405,6 +405,34 @@ static int hda_dsp_update_d0i3c_register(struct snd_sof_dev *sdev, u8 value) return 0; } +/* + * d0i3 streaming is enabled if all the active streams can + * work in d0i3 state and playback is enabled + */ +static bool hda_dsp_d0i3_streaming_applicable(struct snd_sof_dev *sdev) +{ + struct snd_pcm_substream *substream; + struct snd_sof_pcm *spcm; + bool playback_active = false; + int dir; + + list_for_each_entry(spcm, &sdev->pcm_list, list) { + for_each_pcm_streams(dir) { + substream = spcm->stream[dir].substream; + if (!substream || !substream->runtime) + continue; + + if (!spcm->stream[dir].d0i3_compatible) + return false; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + playback_active = true; + } + } + + return playback_active; +} + static int hda_dsp_set_D0_state(struct snd_sof_dev *sdev, const struct sof_dsp_power_state *target_state) { @@ -446,6 +474,9 @@ static int hda_dsp_set_D0_state(struct snd_sof_dev *sdev, !hda_enable_trace_D0I3_S0 || sdev->system_suspend_target != SOF_SUSPEND_NONE) flags = HDA_PM_NO_DMA_TRACE; + + if (hda_dsp_d0i3_streaming_applicable(sdev)) + flags |= HDA_PM_PG_STREAMING; } else { /* prevent power gating in D0I0 */ flags = HDA_PM_PPG; |