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76b72736f5
When doing a PMBus write for the LED control on the IBM Common Form Factor Power Supplies (ibm-cffps), the DAh command requires that bit 7 be low and bit 6 be high in order to indicate that you are truly attempting to do a write. Signed-off-by: Brandon Wyman <bjwyman@gmail.com> Link: https://lore.kernel.org/r/20210806225131.1808759-1-bjwyman@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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.