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.. SPDX-License-Identifier: GPL-2.0-or-later
Kernel driver surface_fan
=========================
Supported Devices:
* Microsoft Surface Pro 9
Author: Ivor Wanders <ivor@iwanders.net>
Description
-----------
This provides monitoring of the fan found in some Microsoft Surface Pro devices,
like the Surface Pro 9. The fan is always controlled by the onboard controller.
Sysfs interface
---------------
======================= ======= =========================================
Name Perm Description
======================= ======= =========================================
``fan1_input`` RO Current fan speed in RPM.
======================= ======= =========================================