diff options
Diffstat (limited to 'sound/soc/sof/intel/intel-ipc.c')
| -rw-r--r-- | sound/soc/sof/intel/intel-ipc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/intel-ipc.c b/sound/soc/sof/intel/intel-ipc.c index 310f9168c124..de66f8a82a07 100644 --- a/sound/soc/sof/intel/intel-ipc.c +++ b/sound/soc/sof/intel/intel-ipc.c @@ -73,6 +73,13 @@ int intel_pcm_open(struct snd_sof_dev *sdev, /* binding pcm substream to hda stream */ substream->runtime->private_data = stream; + /* align to DMA minimum transfer size */ + 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); + return 0; } EXPORT_SYMBOL_NS(intel_pcm_open, SND_SOC_SOF_INTEL_HIFI_EP_IPC); |