On Fri, 2014-02-28 at 10:08 +0100, Joschi Brauchle wrote: > Hello everyone, > > I have the following problem with a Lenovo Thinkpad T440s laptop, but is > looks like a much more general problem that affects may users (will > provide bugzilla links later): <snip> > Thus, the "time-to-empty" flag is only available for BAT1 and clearly > only displays the time to empty FOR THAT PARTICULAR battery, but not > when using ALL batteries.
The front-ends are supposed to coalesce all the batteries together. > As a result, the current "time-to-empty" is basically a useless > information for the user, as it ignores the second, fully charged and > available battery. Again the front-ends are supposed to handle that. > Imagine the case where BAT1 = 5% charged and discharging and BAT0 = 100% > fully-charged. Then upower will display something like ~5 minutes > remaining battery life (because it ignores BAT0), but in reality the > total lifetime of BAT0+BAT1 would be multiple hours. > > Is this a known limitation? Yes. Or you can use UPower 0.99.x which fixes that through the concept of a "display battery", which will put together all the information from all the batteries and not require every front-end to do that. > I would like upower to provide an additional "overall-time-to-empty" > value using ALL batteries / energy sources installed. That's already done, you're just using an old version of UPower :) Cheers _______________________________________________ devkit-devel mailing list devkit-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/devkit-devel
