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The firmware distributed as part of the Windows and Android drivers uses significantly different min and max values for the x- and y-axis, compared to the EFI's embedded touchscreen firmware. The difference is large enough that e.g. typing on an onscreen keyboard results in the wrong "keys" getting pressed. Adjust the values to match those of the firmware distributed with the Windows and Android drivers (which is necessary for pen support) and put the EFI-fw version's min/max values in the new "silead,efi-fw-min-max" property. The silead driver will use these when it is using the EFI embedded firmware, so as to not regress functionality in that case. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20211225120247.95380-1-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 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.