[alsa-devel] [PATCH] ASoC: amd: modifications in dma stop sequence

Vijendar Mukunda Vijendar.Mukunda at amd.com
Fri Mar 9 16:21:32 CET 2018


As per design, non-circular dma also need to be
stopped explicitly for both playback and capture
scenarios.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda at amd.com>
---
 sound/soc/amd/acp-pcm-dma.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index 91c4775..9d7ab01 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -954,11 +954,15 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
 		 */
 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 			ret = acp_dma_stop(rtd->acp_mmio,
+						SYSRAM_TO_ACP_CH_NUM);
+			ret = acp_dma_stop(rtd->acp_mmio,
 					ACP_TO_I2S_DMA_CH_NUM);
 			rtd->i2ssp_renderbytescount = 0;
 		} else {
 			ret = acp_dma_stop(rtd->acp_mmio,
 					I2S_TO_ACP_DMA_CH_NUM);
+			ret = acp_dma_stop(rtd->acp_mmio,
+						ACP_TO_SYSRAM_CH_NUM);
 			rtd->i2ssp_capturebytescount = 0;
 		}
 		break;
-- 
2.7.4



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