1 What: /sys/bus/hid/drivers/logitech/<dev>/range
4 Contact: Michal Malý <madcatxster@devoid-pointer.net>
5 Description: Display minimum, maximum and current range of the steering
6 wheel. Writing a value within min and max boundaries sets the
9 What: /sys/bus/hid/drivers/logitech/<dev>/alternate_modes
12 Contact: Michal Malý <madcatxster@devoid-pointer.net>
13 Description: Displays a set of alternate modes supported by a wheel. Each
14 mode is listed as follows:
16 Currently active mode is marked with an asterisk. List also
17 contains an abstract item "native" which always denotes the
18 native mode of the wheel. Echoing the mode tag switches the
19 wheel into the corresponding mode. Depending on the exact model
20 of the wheel not all listed modes might always be selectable.
21 If a wheel cannot be switched into the desired mode, -EINVAL
22 is returned accompanied with an explanatory message in the
24 This entry is not created for devices that have only one mode.
26 Currently supported mode switches:
34 DF-EX <*> DFP <-> G25 <-> G27
35 DF-EX <*--------> G25 <-> G27
36 DF-EX <*----------------> G27
39 DF-EX <*> DFP <-> DFGT
40 DF-EX <*--------> DFGT
42 * hid_logitech module must be loaded with lg4ff_no_autoswitch=1
43 parameter set in order for the switch to DF-EX mode to work.
45 What: /sys/bus/hid/drivers/logitech/<dev>/real_id
48 Contact: Michal Malý <madcatxster@devoid-pointer.net>
49 Description: Displays the real model of the wheel regardless of any
50 alternate mode the wheel might be switched to.
51 It is a read-only value.
52 This entry is not created for devices that have only one mode.