Re: libbattery was Re: [RFC PATCH 5/5] power: generic-adc-battery: Add capacity handling

[Pavel Machek <pavel@ucw.cz>]

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On Wed 2017-10-18 17:52:22, H. Nikolaus Schaller wrote:
> 
> > Am 18.10.2017 um 15:56 schrieb Pavel Machek <pavel@ucw.cz>:
> > 
> > On Wed 2017-10-18 06:22:04, Tony Lindgren wrote:
> >> * H. Nikolaus Schaller <hns@goldelico.com> [171018 05:49]:
> >>>> Am 18.10.2017 um 14:28 schrieb Pavel Machek <pavel@ucw.cz>:
> >>>> 
> >>>> So I started something, it is at.
> >>>> 
> >>>> https://github.com/pavelmachek/libbattery
> >>>> 
> >>>> My battery on n900 is currently uncalibrated (and charging), still it
> >>>> gets some kind of estimation:
> >>>> 
> >>>> Battery -1 %
> >>>> Seconds -1
> >>>> State 1
> >>>> Voltage 3.88 V
> >>>> Battery 63 %
> >>>> 
> >>>> Of course, there's a lot more work to be done.
> >>> 
> >>> Nice start but not a solution to our problem.
> >>> 
> >>> Our problem is that people simply expect that for example https://packages.debian.org/wheezy/xfce/xfce4-battery-plugin
> >>> displays the battery percentage.
> >> 
> >> I think we could make things compatible with various battery apps by
> >> having libbattery write back the capacity percentage and time remaining
> >> to the kernel driver via sysfs or a dev entry. Then the kernel interface
> >> can just display the data to whatever apps.
> > 
> > Hmm. This could be as simple as providing symlink from
> > /sys/class/power/userland-battery to some place writable by
> > userspace...
> 
> Well, please implement arbitrary symlinks in /sysfs...

Any reason why I'd like to do that?
									Pavel

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