EDMA_ST_IDLE
chan->status = EDMA_ST_IDLE;
} else if (chan->status == EDMA_ST_IDLE) {
chan->status = EDMA_ST_IDLE;
chan->status == EDMA_ST_IDLE) {
chan->status = dw_edma_start_transfer(chan) ? EDMA_ST_BUSY : EDMA_ST_IDLE;
chan->status = EDMA_ST_IDLE;
chan->status = EDMA_ST_IDLE;
if (chan->status != EDMA_ST_IDLE)
chan->status = EDMA_ST_IDLE;