[alsa-devel] [PATCH V1 11/11] ASoC: DaVinci: pcm, fix underruns by using sram
troy.kisky at boundarydevices.com
Tue Jul 7 21:14:17 CEST 2009
Troy Kisky wrote:
> Mark Brown wrote:
> Even when using SDRAM, there is still another advantage to double buffering.
> That is tolerating very long interrupt latency on dma completion. The current
> code sets up the next periods dma transfer on dma completion. This could easily
> lead to underruns. So, even in this case, I think double buffering is worth
> the extra dma engine copy.
I overstated my case, it still would not "easily" happen.
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