Re: Smart Battery System Design (was: Re: Question aboutuserspace-consumer)

[Pavel Machek]

On Sat 2009-08-15 17:43:24, Mark Brown wrote:
> On Fri, Aug 14, 2009 at 06:32:01PM +0200, Pavel Machek wrote:
> 
> > Please don't put basic fastcharge logic to userspace:
> 
> > * you still want to fastcharge at init=/bin/bash boot
> 
> > * you want to fastcharge while machine is in s2ram. See spitz. Doing
> >   that with userspace would be quite tricky.
> 
> Depending on the technologies involved and how well integrated the power
> path management is with the battery charger fast charge during suspend
> may not actually be desirable.  Some systems need or desire active
> thermal management of the system from the CPU during fast charge.

Do you have example of some system?

Ok, well... anyway many machines _want_ fastcharge while suspended,
and putting charging into userland would break them (or make that
fairly difficult).
									Pavel

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