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a9b0b1ee59
Lenovo trackpoints are adding the ability to generate a doubletap event. This handles the doubletap event and sends the KEY_PROG4 event to userspace. Despite the driver itself not using KEY_PROG1 - KEY_PROG3 this still uses KEY_PROG4 because of some keys being remapped to KEY_PROG1 - KEY_PROG3 by default by the upstream udev hwdb containing: evdev:name:ThinkPad Extra Buttons:dmi:bvn*:bvr*:bd*:svnLENOVO*:pn*:* ... KEYBOARD_KEY_17=prog1 KEYBOARD_KEY_1a=f20 # Microphone mute button KEYBOARD_KEY_45=bookmarks KEYBOARD_KEY_46=prog2 # Fn + PrtSc, on Windows: Snipping tool KEYBOARD_KEY_4a=prog3 # Fn + Right shift, on Windows: No idea Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca> Signed-off-by: Vishnu Sankar <vishnuocv@gmail.com> Link: https://lore.kernel.org/r/20240417173124.9953-2-mpearson-lenovo@squebb.ca [hdegoede@redhat.com: Adjust for switch to sparse-keymap keymaps] Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240424122834.19801-23-hdegoede@redhat.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.