Sorry for being slow in getting back to you about this. I believe that this should be fixed by this upstream commit, which will be in the 5.12 kernel:
https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git/commit/?h =for-next&id=e037acf0b1aed31cb5f3b09ccb602b4768c133d5 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to upower in Ubuntu. https://bugs.launchpad.net/bugs/1903995 Title: upower report wrong battery percentage for Logitech Unify devices Status in upower package in Ubuntu: Triaged Bug description: The battery percentage reported by upower for Logitech devices connected using Unify receiver are wrong. Below are the results for two devices: Mouse and Keyboard: * Battery percentages reported by Unify receiver using Solaar: $ solaar show | grep -iP "^(( \d: )|(.*batt.*))" 1: Wireless Keyboard K270(unifying) 4: BATTERY STATUS {1000} Battery: 70%, discharging. 2: Wireless Mouse MX Master 7: BATTERY STATUS {1000} Battery: 20%, discharging. * Battery percentages reported by upower: $ upower -i /org/freedesktop/UPower/devices/keyboard_hidpp_battery_0 native-path: hidpp_battery_0 model: Wireless Keyboard K270 serial: 4003-1a-39-5f-c1 power supply: no updated: Thu 12 Nov 2020 13:59:18 CET (119 seconds ago) has history: yes has statistics: yes keyboard present: yes rechargeable: yes state: discharging warning-level: none battery-level: normal percentage: 55% (should be ignored) icon-name: 'battery-low-symbolic' $ upower -i /org/freedesktop/UPower/devices/mouse_hidpp_battery_1 native-path: hidpp_battery_1 model: Wireless Mouse MX Master serial: 4071-f8-eb-bf-d1 power supply: no updated: Thu 12 Nov 2020 14:03:14 CET (27 seconds ago) has history: yes has statistics: yes mouse present: yes rechargeable: yes state: discharging warning-level: low battery-level: low percentage: 10% (should be ignored) icon-name: 'battery-caution-symbolic' Basically the difference is big so I'm getting a lot of notifications related to low battery even if the battery is OK: * Mouse, upower: 10% real (Solaar): 20% * Keyboard: upower: 70% real (Solaar): 55% ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: upower 0.99.11-1build2 ProcVersionSignature: Ubuntu 5.4.0-53.59-generic 5.4.65 Uname: Linux 5.4.0-53-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.11 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Thu Nov 12 13:58:35 2020 InstallationDate: Installed on 2020-04-19 (206 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200417) SourcePackage: upower UpgradeStatus: No upgrade log present (probably fresh install) mtime.conffile..etc.apport.crashdb.conf: 2020-06-17T11:02:56.934699 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/upower/+bug/1903995/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
