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Geert Uytterhoeven
ae53c6963f
The Holtek HT16K33 LED controller is not only used for driving dot-matrix displays, but also for driving segment displays. Document compatible values for the Adafruit 7-segment[1] and 14-segment[2] FeatherWing expansion boards with red displays. According to the schematics, all other Adafruit 7-segment and 14-segment display backpack and FeatherWing expansion boards (including bare boards and boards fitted with displays) are compatible with these two boards. [1] https://www.adafruit.com/product/3108 [2] https://www.adafruit.com/product/3130 Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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.