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| author | Ranjani Sridharan <ranjani.sridharan@linux.intel.com> | 2021-01-26 18:07:36 -0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-01-27 13:06:49 +0000 |
| commit | 89a400bdeb129dbc7e1c8ad2151cc8141a619709 (patch) | |
| tree | 41ef0e92cbbbbb0c94d225ead6da18a5ac36402c /sound/soc/sof/intel/hda-pcm.c | |
| parent | ed9ce1ed2239909c23d48c723c6549417c476246 (diff) | |
| download | linux-89a400bdeb129dbc7e1c8ad2151cc8141a619709.tar.gz | |
ASoC: SOF: Intel: hda: enable DMI L1 for D0i3-compatible streams
DMI L1 entry is currently disabled whenever any capture stream is
opened to prevent xruns during pause/release. But, in
order to maximise power savings for the wake-on-voice usecase,
DMI L1 entry should be enabled for D0i3-compatible capture streams.
Introduce a new field, flags in struct sof_intel_hda_stream
that stores whether a stream is dmi_l1_compatible. All playback streams,
and D0i3-compatible capture streams are DMI L1 compatible.
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20210127020737.1088960-2-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel/hda-pcm.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-pcm.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sound/soc/sof/intel/hda-pcm.c b/sound/soc/sof/intel/hda-pcm.c index 5d35bb18660a..689934131a68 100644 --- a/sound/soc/sof/intel/hda-pcm.c +++ b/sound/soc/sof/intel/hda-pcm.c @@ -215,11 +215,25 @@ found: int hda_dsp_pcm_open(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream) { + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_component *scomp = sdev->component; struct hdac_ext_stream *dsp_stream; + struct snd_sof_pcm *spcm; int direction = substream->stream; + u32 flags = 0; + + spcm = snd_sof_find_spcm_dai(scomp, rtd); + if (!spcm) { + dev_err(sdev->dev, "error: can't find PCM with DAI ID %d\n", rtd->dai_link->id); + return -EINVAL; + } - dsp_stream = hda_dsp_stream_get(sdev, direction); + /* All playback and D0i3 compatible streams are DMI L1 capable */ + if (direction == SNDRV_PCM_STREAM_PLAYBACK || + spcm->stream[substream->stream].d0i3_compatible) + flags |= SOF_HDA_STREAM_DMI_L1_COMPATIBLE; + dsp_stream = hda_dsp_stream_get(sdev, direction, flags); if (!dsp_stream) { dev_err(sdev->dev, "error: no stream available\n"); return -ENODEV; |