From f31a2de3fe3680223a0dc93e484c491cc09473d3 Mon Sep 17 00:00:00 2001 From: Michal Malý Date: Wed, 18 Feb 2015 17:59:23 +0100 Subject: HID: hid-lg4ff: Allow switching of Logitech gaming wheels between compatibility modes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allow switching of Logitech gaming wheels between available compatibility modes through sysfs. This only applies to multimode wheels. Signed-off-by: Michal Malý Tested-by: Simon Wood Signed-off-by: Jiri Kosina --- .../ABI/testing/sysfs-driver-hid-logitech-lg4ff | 27 +++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) (limited to 'Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff') diff --git a/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff b/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff index 60f24a1d8119..b3f6a2ac5007 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//real_id Date: Feb 2015 -- cgit v1.2.3