setup_sgl
return setup_sgl(fifo, sgl, nents, len, fifo->in, dma);
return setup_sgl(fifo, sgl, nents, len, fifo->out, dma);
return setup_sgl(fifo, sgl, nents, len, fifo->in + recsize, dma);
return setup_sgl(fifo, sgl, nents, len, fifo->out + recsize, dma);