[ Upstream commit c0e0436cb4f6627146acdae8c77828f18db01151 ] The X1 Carbon Gen 9 uses two fans instead of one like the previous generation. This adds support for the second fan. It has been tested on my X1 Carbon Gen 9 (20XXS00100) and works fine. Signed-off-by: Til Jasper Ullrich <tju@tju.me> Link: https://lore.kernel.org/r/20210525150950.14805-1-tju@tju.me Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Sasha Levin <sashal@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.
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