1What: /sys/bus/hid/drivers/logitech-hidpp-device/<dev>/range 2Date: Jan, 2016 3KernelVersion: 4.6 4Contact: linux-input@vger.kernel.org 5Description: 6 (RW) This attribute controls the amount of 'turn' permitted in 7 Logitech G920 wheel. Reading from the file shows the current 8 range of the steering wheel. Writing a value within the min and 9 max boundary sets the range of the wheel. 10 11What: /sys/bus/hid/drivers/logitech-hidpp-device/<dev>/builtin_power_supply 12Date: Apr, 2017 13KernelVersion: 4.12 14Contact: linux-input@vger.kernel.org 15Description: 16 Presence of this file indicates that HID++ driver is capable of 17 handling battery properties in the kernel. This way, upower can 18 add a udev rule to decide whether or not it should use the 19 internal unifying support or the generic kernel one. 20