[alsa-devel] [PATCHv2 0/5] FIFO caused playback delay (latency) handling in soc/omap

[Jarkko Nikula]

On Fri, 12 Mar 2010 08:18:30 +0200
Peter Ujfalusi <peter.ujfalusi at nokia.com> wrote:

> On Friday 12 March 2010 00:43:41 ext Mark Brown wrote:
> 
> > I can do, though there was some debate about how useful the
> > information the hardware returns actually is - could folks confirm
> > what the consensus there was, please?
> 
> Yeah, that thread went silent without final go or no go...
> 
...
> All in all, I think the usage of the BUFFSTAT register is a good compromise for 
> all cases, and it is needed for the cases, where the codec also have buffer of 
> it's own.
> 
And one point is that the BUFFSTAT use doesn't make things worse than
currently.  Now the application doesn't have any information about the
HW buffer caused audio latencies so reporting them makes the things
better than currently.


-- 
Jarkko