diff options
Diffstat (limited to 'sound/soc/sof/intel/hda-pcm.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-pcm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-pcm.c b/sound/soc/sof/intel/hda-pcm.c index b527d5958ae5..5d35bb18660a 100644 --- a/sound/soc/sof/intel/hda-pcm.c +++ b/sound/soc/sof/intel/hda-pcm.c @@ -225,6 +225,13 @@ int hda_dsp_pcm_open(struct snd_sof_dev *sdev, return -ENODEV; } + /* minimum as per HDA spec */ + snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4); + + /* avoid circular buffer wrap in middle of period */ + snd_pcm_hw_constraint_integer(substream->runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + /* binding pcm substream to hda stream */ substream->runtime->private_data = &dsp_stream->hstream; return 0; |