Messages in this thread | | | Date | Wed, 9 Dec 2009 12:10:03 -0500 (EST) | From | Alan Stern <> | Subject | Re: Async resume patch (was: Re: [GIT PULL] PM updates for 2.6.33) |
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On Wed, 9 Dec 2009, Mark Brown wrote:
> > How long does it take to bring down the entire embedded audio > > subsystem? And how critical is the timing for typical systems? > > Worst case is about a second for both resume and suspend which means two > seconds total but it's very hardware dependant.
A second seems awfully long. What happens if audio isn't being played when the suspend occurs? Can't you shorten things with no artifacts in that case?
If audio _is_ being played when a suspend occurs, users probably don't mind audible artifacts. In fact, they probably expect some.
Alan Stern
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