diff options
| author | Michal Malý <madcatxster@devoid-pointer.net> | 2015-02-18 16:59:23 (GMT) |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2015-02-18 20:14:54 (GMT) |
| commit | f31a2de3fe3680223a0dc93e484c491cc09473d3 (patch) | |
| tree | 84cbbaaabe685e2c6d24ad4554e79c1f5ade8911 /Documentation | |
| parent | a54dc7795efceb9a458457540c69450c995a2772 (diff) | |
| download | linux-f31a2de3fe3680223a0dc93e484c491cc09473d3.tar.xz | |
HID: hid-lg4ff: Allow switching of Logitech gaming wheels between compatibility modes
Allow switching of Logitech gaming wheels between available compatibility modes
through sysfs. This only applies 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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff b/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff index 60f24a1..b3f6a2a 100644 --- a/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff +++ b/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff @@ -15,7 +15,32 @@ Description: Displays a set of alternate modes supported by a wheel. Each 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. + native mode of the wheel. Echoing the mode tag switches the + wheel into the corresponding mode. Depending on the exact model + of the wheel not all listed modes might always be selectable. + If a wheel cannot be switched into the desired mode, -EINVAL + is returned accompanied with an explanatory message in the + kernel log. + This entry is not created for devices that have only one mode. + + Currently supported mode switches: + Driving Force Pro: + DF-EX --> DFP + + G25: + DF-EX --> DFP --> G25 + + G27: + DF-EX <*> DFP <-> G25 <-> G27 + DF-EX <*--------> G25 <-> G27 + DF-EX <*----------------> G27 + + DFGT: + DF-EX <*> DFP <-> DFGT + DF-EX <*--------> DFGT + + * hid_logitech module must be loaded with lg4ff_no_autoswitch=1 + parameter set in order for the switch to DF-EX mode to work. What: /sys/bus/hid/drivers/logitech/<dev>/real_id Date: Feb 2015 |