Re: linux-next on thinkpad x60: full battery is indicated as battery error in mate

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Hi!

> >> > >> Fully charged
> >> > >> battery shows as empty battery with red "x" in Mate desktop. After
> >> > >> reboot to recent mainline problem goes away. Tooltip says "battery
> >> > >> waiting to charge".
> >> > >>
> >>
> >> For the MATE bug see:
> >> https://github.com/mate-desktop/mate-power-manager/pull/251
> >>
> >> The problem is in the new composite battery system in UPower, it
> >> "merges" two external batteries into a single one for reporting. That
> >> battery does not understand "Not Charging" inside the MATE Power
> >> Manager. The above patch fixes that in MATE.
> >
> > Ok, so problem is 91eea70e5e5ce12eb1c7cd922e561fab43e201bd.
> >
> > And now, I see that MATE should be improved.
> >
> > But what I also see is that kernel is changing its interface in a way
> > that (while making sense) breaks existing application. And we don't
> > break existing applications.
> >
> > [Now... maybe if the fix for the application is available for long
> > long time and noone is really looking and everyone already has new
> > application version, maybe ... But pull request for MATE is 9 days
> > old, and not even merged. So there is no way this is suitable for
> > 4.17.]
> 
> Right.
> 
> This basically means that we will have to defer the battery changes
> until user space is ready and not just upstream, but also in distro
> packages.

Yes please.

Note that only 91eea70e5e5ce12eb1c7cd922e561fab43e201bd should break
anything, the others should be safe AFAICT?

								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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