[Wayland-bugs] [Bug 102570] Graphics tablet does not work with libinput, but does with xf86-input-evdev

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102570

            Bug ID: 102570
           Summary: Graphics tablet does not work with libinput, but does
                    with xf86-input-evdev
           Product: Wayland
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: minor
          Priority: medium
         Component: libinput
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: sgtlion at sgtlion.com

Created attachment 134025
  --> https://bugs.freedesktop.org/attachment.cgi?id=134025&action=edit
Relevant snippet from old xorg.log

Using Fedora 26, package: libinput-1.8.0-2.fc26.src.rpm
Nvidia proprietary drivers, so using X11, also.

My graphics tablet originally totally failed to work, detected but wouldn't
respond at all. Xorg logs showed that libinput was finding it, having a bit of
trouble, and then give up trying to load it. After some help in #fedora, I've
created a file at "/etc/X11/xorg.conf.d/52-tablet.conf" to force the use of the
xf86-input-evdev driver for the graphic tablet's chipset, which does perfectly!
I now just use xinput to calibrate the use to one of my screens.

But indeed, the issue is libinput doesn't handle my graphics tablet properly.
I'm happy to provide any requested logs or test patches, whatevs yo. Attached
is an old xorg log snippet from when the tablet did nothing.

The tablet chipset is "UC-LOGIC Tablet WP5540U". The actual model is a "TB-5300
Slimline Design Tablet".

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