[alsa-devel] Random inverted audio channels

Mark Brown broonie at opensource.wolfsonmicro.com
Mon Feb 18 10:54:42 CET 2008

On Mon, Feb 18, 2008 at 09:38:12AM +0100, Alexandre BOUIN wrote:

> We are porting a WM8900 driver from a 8731 one. It fit quite well our
> requirements and should not be the same as your dev branch.
> Sincerely, It didn't know you're working on it.

No problem at all - I was just asking from curiosity.

> > The most likely issue here is a DMA underrun but from what you say you
> > may already have ruled that out?  It would be helpful if you could run
> > through the debugging you've already done here.

> I had traced the addresses sent into PDC (soc/at91-pcm.c), and are always
> the same.
> What other traces are you looking for ?

Have you checked to make sure that the PDC is not reporting any errors?

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