Ubuntu Touch // upowerd question re OnBattery property

[Florian Leeber]

Am 07.03.2021 um 23:09 schrieb Florian Leeber:
> Hi guys,
>
> I am Florian from UBports, the community behind Ubuntu Touch, doing
> alternative mobile OS for Android- and Non-Android hardware :)
>
> We are using a customized version of Ubuntu, running off the rather
> outdated 16.04 LTS (but switching now to 20.04 soon). Therefore, also
> upower tools are installed, and working fine in general for most of our
> devices. With a DBus connection data from upowerd is transferred into
> repowerd and also the desktop indicator-power, which will display status
> of charging, percentage etc.
>
> Now it turns out that with more recent hardware (Lets say Android phones
> after 8.0) the charging state is no longer detect correctly. Lets see
> this code for the main detection routine in repowerd to determine power
> state:
>
On that regard, it looks like the charging state follows the BMS entry
in the /sys/class/power_supply devices, not the "real" battery. How is
upowerd using this device?

BR Florian