Review Request 116481: Calculate remaining battery lifetime considering ALL installed batteries

[Christoph Feck]

> On March 2, 2014, 12:03 a.m., Kai Uwe Broulik wrote:
> > Thanks for looking into this, I have a few code-styling related issues, see below.
> > 
> > In the future I want to get rid of all of this, especially the magic ints instead of enums, and move that stuff to Solid - where it's already sort-of duplicated - and especially provide charge/discharge time reporting for individual batteries.
> 
> Christoph Feck wrote:
>     What is the status of this review? From what I see, Joschi resolved all raised issues.

Kai?


- Christoph


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On Feb. 28, 2014, 1:53 p.m., Joschi Brauchle wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/116481/
> -----------------------------------------------------------
> 
> (Updated Feb. 28, 2014, 1:53 p.m.)
> 
> 
> Review request for kde-workspace and Kai Uwe Broulik.
> 
> 
> Bugs: https://bugs.kde.org/show_bug.cgi?id=253453
>     http://bugs.kde.org/show_bug.cgi?id=https://bugs.kde.org/show_bug.cgi?id=253453
> 
> 
> Repository: kde-workspace
> 
> 
> Description
> -------
> 
> Currently powerdevil uses the "time-to-empty" property provided by upower to add up battery life for all installed batteries. 
> Unfortunately, upower 0.9.x does not provide a "time-to-empty" for fully charged batteries.
> Hence, the remaining battery lifetime displayed by powerdevil considers only batteries which are currently being discharged and ignores all fully charged batteries.
> 
> The proposed patch is taken from upower 0.99.x and sums up the total energy available in all installed batteries (discharging and charged) and divides it by the current total discharge rate over all batteries (this is for lifetime, similarly for charge time).
> 
> 
> Diffs
> -----
> 
>   a/powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp eae5436 
> 
> Diff: https://git.reviewboard.kde.org/r/116481/diff/
> 
> 
> Testing
> -------
> 
> Tested with KDE 4.11.6 on Thinkpad T440s with 
> - two batteries installed
> - one battery installed
> 
> 
> Thanks,
> 
> Joschi Brauchle
> 
>

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