[alsa-devel] [PATCH v4 0/5] dma: mxs-dma bugfixes and cleanup

[Mark Brown]

On Fri, Oct 11, 2013 at 11:01:29AM -0300, Fabio Estevam wrote:

> The problem I see is that randomly the captured audio becomes
> extremely noisy and loud (throughout the whole 10 seconds) and then in
> the subsequent loop it becomes normal. This is very random and it
> happens at a 1 or 2% failure rate.

This sounds like there's a problem with L/R sync or noise on the bit
clock and the samples aren't being well aligned with the clock.
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