Re: Re: No snd_pcm_resume_all() ?

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Tue, 2006-04-18 at 20:05 +0200, Takashi Iwai wrote:
> At Tue, 18 Apr 2006 19:55:22 +0200,
> Johannes Berg wrote:
> > 
> > On Tue, 2006-04-18 at 15:12 +0200, Takashi Iwai wrote:
> > 
> > > Indeed, the pcm resume was designed to be called from application to
> > > restart.  The flow is like below:
> > 
> > Why does the app even need to know?!
> 
> We cannot freeze the running user process at the very same moment the
> driver's suspend callback is called...

On ppc, I don't freeze processes at all... though from my experience,
just doing the suspend at sleep and the resume on wakeup from the driver
without freezing the app just works... the samples just stop getting
pumped for a little while. 

Ben.




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