162306a36Sopenharmony_ciWhat:		/sys/bus/hid/drivers/logitech-hidpp-device/<dev>/range
262306a36Sopenharmony_ciDate:		Jan, 2016
362306a36Sopenharmony_ciKernelVersion:	4.6
462306a36Sopenharmony_ciContact:	linux-input@vger.kernel.org
562306a36Sopenharmony_ciDescription:
662306a36Sopenharmony_ci		(RW) This attribute controls the amount of 'turn' permitted in
762306a36Sopenharmony_ci		Logitech G920 wheel. Reading from the file shows the current
862306a36Sopenharmony_ci		range of the steering wheel. Writing a value within the min and
962306a36Sopenharmony_ci		max boundary sets the range of the wheel.
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ciWhat:		/sys/bus/hid/drivers/logitech-hidpp-device/<dev>/builtin_power_supply
1262306a36Sopenharmony_ciDate:		Apr, 2017
1362306a36Sopenharmony_ciKernelVersion:	4.12
1462306a36Sopenharmony_ciContact:	linux-input@vger.kernel.org
1562306a36Sopenharmony_ciDescription:
1662306a36Sopenharmony_ci		Presence of this file indicates that HID++ driver is capable of
1762306a36Sopenharmony_ci		handling battery properties in the kernel. This way, upower can
1862306a36Sopenharmony_ci		add a udev rule to decide whether or not it should use the
1962306a36Sopenharmony_ci		internal unifying support or the generic kernel one.
20