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7525a0bd92
If a touchring is configured to send relative events (e.g. +1 or -1 every time some bit of rotational distance is covered), we should similarly send relative events up to userspace. Previous non-HID tablets used REL_WHEEL to send this kind of information, so we opt to use this same axis since userspace (xf86-input-wacom and libinput) already expects this kind of behavior from the Wacom kernel driver. Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
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.