On 21-06-22, 11:36, Shengjiu Wang wrote: > The peripheral may have several FIFOs, but some case just select > some FIFOs from them for data transfer, which means FIFO0 and FIFO2 > may be selected. So add FIFO address stride support, 0 means all FIFOs > are continuous, 1 means 1 word stride between FIFOs. All stride between > FIFOs should be same. > > Another option words_per_fifo means how many audio channel data copied > to one FIFO one time, 1 means one channel per FIFO, 2 means 2 channels > per FIFO. > > If 'n_fifos_src = 4' and 'words_per_fifo = 2', it means the first two > words(channels) fetch from FIFO0 and then jump to FIFO1 for next two words, > and so on after the last FIFO3 fetched, roll back to FIFO0. this fails to apply for me, pls rebase on dmaengine/next and revise -- ~Vinod
