linux_dsm_epyc7002/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff
Michal Malý b96d23ec69 HID: hid-lg4ff: Export the real wheel model and supported alternate modes
Display the real wheel model and supported alternate modes through sysfs. This
applies only to multimode wheels.

Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Tested-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-02-18 21:14:54 +01:00

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What: /sys/module/hid_logitech/drivers/hid:logitech/<dev>/range.
Date: July 2011
KernelVersion: 3.2
Contact: Michal Malý <madcatxster@gmail.com>
Description: Display minimum, maximum and current range of the steering
wheel. Writing a value within min and max boundaries sets the
range of the wheel.
What: /sys/bus/hid/drivers/logitech/<dev>/alternate_modes
Date: Feb 2015
KernelVersion: 4.1
Contact: Michal Malý <madcatxster@gmail.com>
Description: Displays a set of alternate modes supported by a wheel. Each
mode is listed as follows:
Tag: Mode Name
Currently active mode is marked with an asterisk. List also
contains an abstract item "native" which always denotes the
native mode of the wheel.
What: /sys/bus/hid/drivers/logitech/<dev>/real_id
Date: Feb 2015
KernelVersion: 4.1
Contact: Michal Malý <madcatxster@gmail.com>
Description: Displays the real model of the wheel regardless of any
alternate mode the wheel might be switched to.
It is a read-only value.
This entry is not created for devices that have only one mode.