ACP common dma driver has a buffer size and period size restriction
which should be 64 byte aligned. Add pcm constraints for the same.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
---
sound/soc/amd/acp/acp-platform.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/sound/soc/amd/acp/acp-platform.c b/sound/soc/amd/acp/acp-platform.c
index aaac8aa744cb..4f409cd09c11 100644
--- a/sound/soc/amd/acp/acp-platform.c
+++ b/sound/soc/amd/acp/acp-platform.c
@@ -197,6 +197,20 @@ static int acp_dma_open(struct snd_soc_component *component, struct snd_pcm_subs
else
runtime->hw = acp_pcm_hardware_capture;
+ ret = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, DMA_SIZE);
+ if (ret) {
+ dev_err(component->dev, "set hw constraint HW_PARAM_PERIOD_BYTES failed\n");
+ kfree(stream);
+ return ret;
+ }
+
+ ret = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, DMA_SIZE);
+ if (ret) {
+ dev_err(component->dev, "set hw constraint HW_PARAM_BUFFER_BYTES failed\n");
+ kfree(stream);
+ return ret;
+ }
+
ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0) {
dev_err(component->dev, "set integer constraint failed\n");
--
2.34.1
