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3c785a06de
The usb-hid keyboard-dock for the Acer Switch 10 SW5-012 model declares an application and hid-usage page of 0x0088 for the INPUT(4) report which it sends. This reports contains 2 8-bit fields which are declared as HID_MAIN_ITEM_VARIABLE. The keyboard-touchpad combo never actually generates this report, except when the touchpad is toggled on/off with the Fn + F7 hotkey combo. The toggle on/off is handled inside the keyboard-dock, when the touchpad is toggled off it simply stops sending events. When the touchpad is toggled on/off an INPUT(4) report is generated with the first content byte set to 120/121, before this commit the kernel would report this as ABS_MISC 120/121 events. Patch the descriptor to replace the HID_MAIN_ITEM_VARIABLE with HID_MAIN_ITEM_RELATIVE (because no key-presss release events are send) and add mappings for the 0x00880078 and 0x00880079 usages to generate touchpad on/off key events when the touchpad is toggled on/off. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> |
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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 Restructured Text 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.