acp_dma_stop 1126 sound/soc/amd/acp-pcm-dma.c acp_dma_stop(rtd->acp_mmio, rtd->ch2); acp_dma_stop 1127 sound/soc/amd/acp-pcm-dma.c ret = acp_dma_stop(rtd->acp_mmio, rtd->ch1);