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.. SPDX-License-Identifier: GPL-2.0+
Uniwill laptop extra features
=============================
On laptops manufactured by Uniwill (either directly or as ODM), the ``uniwill-laptop`` driver
handles various platform-specific features.
Module Loading
--------------
The ``uniwill-laptop`` driver relies on a DMI table to automatically load on supported devices.
When using the ``force`` module parameter, this DMI check will be omitted, allowing the driver
to be loaded on unsupported devices for testing purposes.
Hotkeys
-------
Usually the FN keys work without a special driver. However as soon as the ``uniwill-laptop`` driver
is loaded, the FN keys need to be handled manually. This is done automatically by the driver itself.
Keyboard settings
-----------------
The ``uniwill-laptop`` driver allows the user to enable/disable:
- the FN and super key lock functionality of the integrated keyboard
- the touchpad toggle functionality of the integrated touchpad
See Documentation/ABI/testing/sysfs-driver-uniwill-laptop for details.
Hwmon interface
---------------
The ``uniwill-laptop`` driver supports reading of the CPU and GPU temperature and supports up to
two fans. Userspace applications can access sensor readings over the hwmon sysfs interface.
Platform profile
----------------
Support for changing the platform performance mode is currently not implemented.
Battery Charging Control
------------------------
The ``uniwill-laptop`` driver supports controlling the battery charge limit. This happens over
the standard ``charge_control_end_threshold`` power supply sysfs attribute. All values
between 1 and 100 percent are supported.
Additionally the driver signals the presence of battery charging issues through the standard
``health`` power supply sysfs attribute.
Lightbar
--------
The ``uniwill-laptop`` driver exposes the lightbar found on some models as a standard multicolor
LED class device. The default name of this LED class device is ``uniwill:multicolor:status``.
See Documentation/ABI/testing/sysfs-driver-uniwill-laptop for details on how to control the various
animation modes of the lightbar.
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