31.10.2018 19:03, Ben Dooks пишет: > The tx_status callback does not report the state of the transfer > beyond complete segments. This causes problems with users such as > ALSA when applications want to know accurately how much data has > been moved. > > This patch addes a function tegra_dma_update_residual() to query > the hardware and modify the residual information accordinly. It > takes into account any hardware issues when trying to read the > state, such as delays between finishing a buffer and signalling > the interrupt. > > Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx> Hello Ben, Do you have any plans to submit a new version of this patch? It's really useful and fixes a real problem with the audio playback. I could help with finalizing the patch and could submit it for you if you happened to lost the interest.
