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[ Upstream commit 1046cac109225eda0973b898e053aeb3d6c10e1d ] On ThinkPad X120e, fan speed is reported in ticks per revolution rather than RPM. Recalculate the fan speed value reported for ThinkPad X120e to RPM based on a 22.5 kHz clock. Based on the information on https://www.thinkwiki.org/wiki/How_to_control_fan_speed, the same problem is highly likely to be relevant to at least Edge11, but Edge11 is not addressed in this patch. Signed-off-by: Sybil Isabel Dorsett <sybdorsett@proton.me> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20250203163255.5525-1-sybdorsett@proton.me Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.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.