On 06-07-22, 14:54, Shengjiu Wang wrote: > On Wed, Jul 6, 2022 at 2:00 PM Vinod Koul <vkoul@xxxxxxxxxx> wrote: > > > 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 > > > > > > it based on my another commit, the one that fixes the struct documentation > should I send them together? Pls mention that in patch title.. I have applied that, so rebase and resend please -- ~Vinod
