sysfs-driver-hid-logitech-hidpp

 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.