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4d395cb071
The current implementation of the goodix_berlin driver lacks support for revisions A and B of the Berlin IC. This change adds support for the gt9897 IC, which is a Berlin-A revision part. The differences between revision D and A are rather minor, a handful of address changes and a slightly larger read buffer. They were taken from the driver published by Goodix, which does a few more things that don't appear to be necessary for the touchscreen to work properly. Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Tested-by: Luca Weiss <luca.weiss@fairphone.com> Signed-off-by: Jens Reidel <adrian@mainlining.org> Link: https://lore.kernel.org/r/20250309062315.35720-3-adrian@mainlining.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.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.