[Bug 220722] New: Non existent battery reporting for a laptop with touchscreen MSI

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=220722

            Bug ID: 220722
           Summary: Non existent battery reporting for a laptop with
                    touchscreen MSI
           Product: Drivers
           Version: 2.5
          Hardware: Intel
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Platform_x86
          Assignee: drivers_platform_x86@kernel-bugs.osdl.org
          Reporter: andretiagob@protonmail.com
        Regression: No

Created attachment 308869
  --> https://bugzilla.kernel.org/attachment.cgi?id=308869&action=edit
Battery charge information

This issue is similar to this bug report: 
https://bugzilla.kernel.org/show_bug.cgi?id=216747

The same issue was filed in the upower gitlab page by another user:
https://gitlab.freedesktop.org/upower/upower/-/issues/197


SUMMARY
The laptop touch screen always reports a non existent battery with a charge
level of 0% (see attachment). I had this issue for a long time and it is always
present regardless of kernel versions, older and newer, and on different
distributions. 
The device in question is called: ELAN Touchscreen Stylus.


I first issued this bug on the upower gitlab page: 
https://gitlab.freedesktop.org/upower/upower/-/issues/329


From what I've been told this might be an issue with some driver in the kernel.
Here's some information that might be useful:


Device:/org/freedesktop/UPower/devices/battery_hid_0003o04F3o2FFAx0001_battery
  native-path: hid-0003:04F3:2FFA.0001-battery
  model:                ELAN Touchscreen Stylus
  power supply:         no
  updated:              qui 01 jan 1970 01:00:00 (1761601761 seconds ago)
  has history:          yes
  has statistics:       yes
  tablet
    warning-level:       none
    percentage:          0%
    icon-name:          'battery-missing-symbolic'

-------------------------------------------------------------------------------

andre@fedora:~$ upower -e
/org/freedesktop/UPower/devices/battery_BAT
/org/freedesktop/UPower/devices/battery_hid_0003o04F3o2FFAx0002_battery
/org/freedesktop/UPower/devices/line_power_ADP1
/org/freedesktop/UPower/devices/DisplayDevice

-------------------------------------------------------------------------------

andre@fedora:~$ ls
/sys/devices/pci0000:00/0000:00:14.0/usb3/3-8/3-8:1.0/0003:04F3:2FFA.0002/power_supply/hid-0003:04F3:2FFA.0002-battery 
capacity  extensions  model_name  power   present  status     type    wakeup48 
device    hwmon4      online      powers  scope    subsystem  uevent\

-------------------------------------------------------------------------------

andre@fedora:~$ udevadm info
/sys/devices/pci0000:00/0000:00:14.0/usb3/3-8/3-8:1.0/0003:04F3:2FFA.0002/power_s
upply/hid-0003:04F3:2FFA.0002-battery 
P:
/devices/pci0000:00/0000:00:14.0/usb3/3-8/3-8:1.0/0003:04F3:2FFA.0002/power_supply/hid-0003:04F3:2FFA.0002> 
M: hid-0003:04F3:2FFA.0002-battery 
J: +power_supply:hid-0003:04F3:2FFA.0002-battery 
U: power_supply 
T: power_supply 
E:
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb3/3-8/3-8:1.0/0003:04F3:2FFA.0002/power_supply/hid-0003:04F3:2> 
E: SUBSYSTEM=power_supply 
E: DEVTYPE=power_supply 
E: POWER_SUPPLY_NAME=hid-0003:04F3:2FFA.0002-battery 
E: POWER_SUPPLY_TYPE=Battery 
E: POWER_SUPPLY_STATUS=Unknown 
E: POWER_SUPPLY_PRESENT=1 
E: POWER_SUPPLY_ONLINE=1 
E: POWER_SUPPLY_CAPACITY=0 
E: POWER_SUPPLY_SCOPE=Device 
E: POWER_SUPPLY_MODEL_NAME=ELAN Touchscreen


Currently I'm using KDE Linux with kernel version 6.17.5.
This is an MSI Summit E16 laptop with a convertible touch screen (A12UCT mode).
I don't have any stylus pen that could be sending the wrong battery
information.


Any help is appreciated,

Thank you!

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