STM_SAI_DR_REGX
sai->dma_params.addr = (dma_addr_t)(sai->phys_addr + STM_SAI_DR_REGX);
case STM_SAI_DR_REGX:
case STM_SAI_DR_REGX:
case STM_SAI_DR_REGX:
.max_register = STM_SAI_DR_REGX,