Unverified Commit 8978e1f7 authored by Vijendar Mukunda's avatar Vijendar Mukunda Committed by Mark Brown
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ASoC: amd: acp: add pcm constraints for buffer size and period size 



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: default avatarVijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20240617072844.871468-8-Vijendar.Mukunda@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d85695b0

sound/soc/amd/acp/acp-platform.c

+14 −0
Original line number Diff line number Diff line
@@ -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");