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Diffstat (limited to 'sound/soc/sof/intel/hda-pcm.c')
-rw-r--r--sound/soc/sof/intel/hda-pcm.c7
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;