[Kde-hardware-devel] Review Request 118801: Consider additional batteries for power management (when the critical battery timer is running)

[Emmanuel Pescosta]

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Hmm I think this patch will also fix bug 325707?!

- Emmanuel Pescosta


On June 17, 2014, 6:48 p.m., Emmanuel Pescosta wrote:
> 
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> https://git.reviewboard.kde.org/r/118801/
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> (Updated June 17, 2014, 6:48 p.m.)
> 
> 
> Review request for Solid.
> 
> 
> Bugs: 329537
>     http://bugs.kde.org/show_bug.cgi?id=329537
> 
> 
> Repository: kde-workspace
> 
> 
> Description
> -------
> 
> After resuming from suspend, all batteries are added
> to powerdevil. When a battery, with charge lower or
> equal than the critical charge percentage is added, the
> critical battery timer will be started.
> 
> In the current version the critical battery timeout can
> only be interrupted by plugging in AC.
> 
> But if the system has more than one battery, the global
> charge percentage can be greater than the critical charge
> percentage and so the system shouldn't suspend. To achive
> this behaviour, we calculate the global charge percentage
> whenever a new battery was added and if the critical
> battery timer is running and the global charge is high
> enough, we stop the timer.
> 
> Also we use the already calculated global charge percentage
> for the battery charge percentage notification instead of
> the charge of each individual battery.
> 
> With this patch, the user can not only interrupt the critical
> timer by plugging in the AC but also by plugging in a new or
> additional battery (if the battery has enough charge).
> 
> 
> Note:
> The patch for kde:powerdevil will move the calculation of
> the global charge percentage into a new function to avoid
> the code duplication, but for the KDE/4.11 version I have
> avoided this to keep the number of changes as small as 
> possible.
> 
> The 30 sec timeout message will still popup. Any ideas
> how to avoid this? Showing an additional message is not
> a solution in this case because of the message freeze.
> 
> 
> Diffs
> -----
> 
>   powerdevil/daemon/powerdevilcore.cpp 76e1b82 
> 
> Diff: https://git.reviewboard.kde.org/r/118801/diff/
> 
> 
> Testing
> -------
> 
> Testing was done by Philipp Paris on his Thinkpad T440s (two
> batteries).
> 
> Two batteries above critical section:
> Resume after suspend works without the 30 sec timeout. (as current version)
> 
> One battery in critical section and the other above:
> Resume after suspend works without the 30 sec timeout. (changed behaviour)
> 
> Both in critical section:
> Resume after suspend without plugged in AC will go sleeping
> in 30 sec. (as current version)
> 
> 
> Thanks,
> 
> Emmanuel Pescosta
> 
>

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