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