On Thu, 2020-11-26 at 18:40 +0000, Filipe Laíns wrote: > On Thu, 2020-11-26 at 17:43 +0100, Bastien Nocera wrote: > > On Thu, 2020-11-26 at 15:57 +0000, Max Illis wrote: > > > I raised a ticket on upower, but have been pointed here > > > (https://gitlab.freedesktop.org/upower/upower/-/issues/125) > > > > > > _Some_ info is reported: > > > > > > ``` > > > /sys/class/power_supply/hidpp_battery_1$ ls > > > device manufacturer online powers serial_number subsystem > > > uevent > > > wakeup27 > > > hwmon3 model_name power scope status type > > > voltage_now > > > ``` > > > But nothing is reported by upower apparently due to `capacity` or > > > `capacity_level` missing > > > > > > The voltage is output, but it's not interpreted, so it's impossible > > to > > know what XX volts corresponds to as a battery level. > > > > Hans, Benjamin, any ideas how this could be better handled? Are we > > going to need voltage <-> capacity mapping? > > > > Cheers > > > > > > > > I'm running Ubuntu 20.10 Linux 5.8.0-29-generic > > > > > > LMK if more info is needed > > > Max > > > > > > max@xxxxxxxx > > > 07803 009 004 > > > > > > max@xxxxxxxx > > > 07803 009 004 > > > > > > Relevant UPower issue: > https://gitlab.freedesktop.org/upower/upower/-/issues/110 > > Logitech gave us permission to use the battery curve in OSS software, > I can get > it from them. But where's that "battery curve"? If we need to put it somewhere, it would be incredibly useful to actually know what it looks like. (And it looks like it's what I asked 9 months ago as well :/ https://gitlab.freedesktop.org/upower/upower/-/issues/110#note_411028 ) > > The issue is where to put it. I am not sure Benjamin would be happy > with > embedding it in the kernel driver. I think knowing that was been the > blocking > factor, although I did not do a good job trying to following it up. > > Cheers, > Filipe Laíns