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Nitin Joshi
3feb52a2b8
On some newer Thinkpads we need to set SAR value based on antenna type. This patch provides a sysfs interface that userspace can use to get antenna type and set corresponding SAR value, as is required for FCC certification. Reviewed-by: Mark Pearson <markpearson@lenovo.com> Signed-off-by: Nitin Joshi <njoshi1@lenovo.com> Link: https://lore.kernel.org/r/20210317024636.356175-1-njoshi1@lenovo.com Signed-off-by: Hans de Goede <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.