[alsa-devel] Question: PCM short and long sync formats

Mark Brown broonie at opensource.wolfsonmicro.com
Mon Mar 26 15:33:05 CEST 2012

On Mon, Mar 26, 2012 at 06:59:43PM +0530, Omair Mohammed Abdullah wrote:
> On Monday 26 March 2012 05:38 PM, Mark Brown wrote:

> >Sorry, that's not really clarifying things.  It looks like "long frame
> >sync" is just I2S but presumably there's some difference?

> Yes, in I2S mode, according to the spec I have, the frame sync leads
> the MSB of the data by 1 bit clock cycle. Whereas the 'long frame
> sync' mode starts with the MSB of the data.

This is probably left justified mode but I'm really not clear what
your question is here.  Please ask a *specific* question, with reference
to what you find unclear in the code.
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