ACER Spin 3: Fedora KDE Plasma unclassified device?

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Hello! i finally bit the bullet yesterday and switched to Linux after wrestling with Windows for 5 years, however im now encountering the same problems i was having on windows with linux :((

Some background:

Im running on an ACER spin 3 thats about 5 years old now (bought in Jan 2020) and was originally built to run on Win10. That served me well for a couple of years, especially because i mainly used my laptop for digital art/3D sculpting, and the 2 in 1 compatibility was a lifesaver. Then im suprised updated to Win11 and tablet mode stops working. So after fighting with Win11 for a couple of years- i decide to jump ship to Fedora KDE Plasma, because my research tells me its the best option for digital art. however- now KDE tablet mode doesnt work!

im almost POSITIVE its a driver/kernel issue- as just a couple of weeks ago on Win11 i somehow managed to get tablet mode working again! (though for a short period only- and very unpredictably). My only experience with KDE is through my Steamdeck, and ive absolutely loved it, so it would really like for it to start working on my laptop too.

i have no idea what im looking for or how to fix it- all i know is that my libinput does not detect tablet mode switching (but does detect the touchscreen) and monitor-sensor does not detect the auto-rotation function (“undefined”)

just now i viewed my installed drivers through Konsole and noticed that it says my device in “un-classified”

03:00.7 Non-VGA unclassified device [0000]: Advanced Micro Devices, inc. [AMD] Sensor Fusion Hub [1022:15e4]
Subsystem: Acer Incorporated [ALI] Device [1025:1506]
Kernal driver in use: pcie_mp2_amd

I remember from Windows Registry that different types of devices have different numbers to tell the system what they are (laptop, tablet, compatible etc.) so im wondering if this is the problem? Again- im completely new to this so please let me know what to check and (hopefully) how to fix it!

Device Specs for anyone wondering-

SOFTWARE:

  • Fedora Linux 40 Kinoite
  • KDE Plasma Version: 6.0.3
  • KDE Frameworks Version: 6.0.0
  • Qt Version: 6.6.2
  • Kernel Version: 6.8.5-301.fc40x86_64 (64-bit)
  • Graphics Platform: Wayland

HARDWARE:

  • Processors: 2x AMD Athlon Sliver 3050U with Radeon Graphics
  • Memory: 5.7 GiB of RAM
  • Graphics Processor: AMD Radeon Graphics
  • Manufacturer: Acer
  • Product Name: Spin SP314-21N
  • System Version: V1.09
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Hi! As you mentioned, if a device is not being detected correctly, it’s often caused by an issue with either the kernel or the hardware itself.

I don’t have much personal experience with that kind of device, but in addition to any other ideas that folks here may have, I’d recommend:

  • Also checking on the Fedora Discussion forums to see if there is any specific advice or Fedora packages to install for compatibility with devices like yours: https://discussion.fedoraproject.org/
  • Upgrading ASAP :slight_smile: Fedora Linux 40 will reach its end of life within the next month - meaning no more updates will be provided by the distribution, including security-related ones. With the amount of ongoing development that happens in KDE Plasma, Fedora as a distribution, and the Linux kernel, I’d pretty strongly recommend upgrading to Fedora 41 or (ideally) 42 as soon as possible.