ACP_DMA_CNTL_0
acp_dma_cntl_0 = ACP_DMA_CNTL_0;
val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_DMA_CNTL_0 + ch * sizeof(u32));
#define ACPBUS_REG_BASE_OFFSET ACP_DMA_CNTL_0