Matthias Reichl <hias@xxxxxxxxx> writes: > The code responsible for splitting periods into chunks that > can be handled by the DMA controller missed to update total_len, > the number of bytes processed in the current period, when there > are more chunks to follow. > > Therefore total_len was stuck at 0 and the code didn't work at all. > This resulted in a wrong control block layout and audio issues because > the cyclic DMA callback wasn't executing on period boundaries. > > Fix this by adding the missing total_len update. It looks like this issue has been around for a long time, and this fix is pretty dependent on the recent refactors. Reviewed-by: Eric Anholt <eric@xxxxxxxxxx>
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