0001 What: /sys/bus/hid/drivers/logitech-hidpp-device/<dev>/range
0002 Date: Jan, 2016
0003 KernelVersion: 4.6
0004 Contact: linux-input@vger.kernel.org
0005 Description:
0006 (RW) This attribute controls the amount of 'turn' permitted in
0007 Logitech G920 wheel. Reading from the file shows the current
0008 range of the steering wheel. Writing a value within the min and
0009 max boundary sets the range of the wheel.
0010
0011 What: /sys/bus/hid/drivers/logitech-hidpp-device/<dev>/builtin_power_supply
0012 Date: Apr, 2017
0013 KernelVersion: 4.12
0014 Contact: linux-input@vger.kernel.org
0015 Description:
0016 Presence of this file indicates that HID++ driver is capable of
0017 handling battery properties in the kernel. This way, upower can
0018 add a udev rule to decide whether or not it should use the
0019 internal unifying support or the generic kernel one.
