snd-aoa: g5 tas codec problems

Johannes Berg johannes at sipsolutions.net
Fri Jul 7 19:04:33 EST 2006


On Fri, 2006-07-07 at 18:56 +1000, Benjamin Herrenschmidt wrote:
> On Fri, 2006-07-07 at 10:49 +0200, Johannes Berg wrote:
> > On Fri, 2006-07-07 at 17:47 +1000, Benjamin Herrenschmidt wrote:
> > > Also, we should try
> > > (if not already the case) to cache our clock/i2s state so that
> > > subsequent prepare() don't try to change things that are already ok. 
> > 
> > I do that, the function reads the dws and sfr registers and exits early
> > if they match.
> 
> Ok. Be careful that I've removed the initial init of TAS thinking we
> always get to clock restart to do it in prepare()... might need to be
> put back.

Oh yes, we do, wonder why it even worked then since most of the time
we'll be using whatever the firmware does (44.1KHz,16bit).

johannes
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