Benjamin Tissoires 029dff1c31 HID: bpf: Add fixup for Logitech SpaceNavigator variants
The 3Dconnexion SpaceNavigator HID report descriptor declares its axis
data to be "relative" when it is actually "absolute".  This quirk was
addressed in the kernel in 2.6.33, but some SpaceNavigator variants have
a slightly different report descriptor whose axis input items are at
different offsets than those assumed by the kernel fixup.

Add a BPF fixup to handle both sets of offsets for known SpaceNavigator
variants if the descriptor has not already been fixed by the kernel.

Signed-off-by: Curran Muhlberger <curran@cs.cornell.edu>
Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/181
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-11-20 16:45:58 +01:00
2025-11-15 10:52:01 -08:00
2025-11-16 14:25:38 -08:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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