[alsa-devel] [PATCH] ASoC: tegra: fix maxburst settings in dmaengine code
broonie at opensource.wolfsonmicro.com
Fri Sep 7 03:51:57 CEST 2012
On Thu, Sep 06, 2012 at 05:47:33PM -0600, Stephen Warren wrote:
> From: Stephen Warren <swarren at nvidia.com>
> The I2S controllers are programmed with an "attention" level of 4 DWORDs.
> This must match the configuration passed to the DMA driver, so that when
> they burst in data, they don't overflow the available FIFO space. Also,
> the burst size is relevant to the destination for playback, and source
> for capture, not vice-versa as originally written.
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