[systemd-bugs] [Bug 70734] New: Rudder pedal's eventX doesn't receive ACL.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70734

          Priority: medium
            Bug ID: 70734
          Assignee: systemd-bugs at lists.freedesktop.org
           Summary: Rudder pedal's eventX doesn't receive ACL.
        QA Contact: systemd-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: f.josef at email.cz
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: general
           Product: systemd

Hello,
when a rudder pedals (e.g. 06a3:0763 Saitek PLC Pro Flight Rudder Pedals) are
connected, the /dev/input/jsX and /dev/input/eventX are created. The problem
is, that while jsX device has 644 permissions (enybody can read), the eventX
device is available only to root, while any other joystick-like device receives
ACLs for the current user.

If I'm not mistaken, the culprit is in the joystick detection heuristics - it
looks for some axes and buttons, while these devices have only three axes.

Would it be possible to either extend the joystick detection heuristics to
handle such devices (CH products pedals reportedly behave the same) or to
create some exceptions for them, so these devices would work out of the box?

Please let me know if you need any more informations.
Kind regards,

Michal Navratil

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