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b4a1ed0cd1
BACKLIGHT_CLASS_DEVICE is already tristate, but a dependency FB_BACKLIGHT prevents it from being built as a module. There doesn't seem to be any particularly good reason for this, so switch FB_BACKLIGHT over to tristate. Signed-off-by: Rob Clark <robdclark@gmail.com> Tested-by: Arnd Bergmann <arnd@arndb.de> Cc: Simon Horman <horms+renesas@verge.net.au> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Ulf Magnusson <ulfalizer@gmail.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Hans de Goede <j.w.r.degoede@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.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.