1*09f3fe40SAishwarya PantWhat: /sys/bus/hid/drivers/logitech-hidpp-device/<dev>/range 2*09f3fe40SAishwarya PantDate: Jan, 2016 3*09f3fe40SAishwarya PantKernelVersion: 4.6 4*09f3fe40SAishwarya PantContact: linux-input@vger.kernel.org 5*09f3fe40SAishwarya PantDescription: 6*09f3fe40SAishwarya Pant (RW) This attribute controls the amount of 'turn' permitted in 7*09f3fe40SAishwarya Pant Logitech G920 wheel. Reading from the file shows the current 8*09f3fe40SAishwarya Pant range of the steering wheel. Writing a value within the min and 9*09f3fe40SAishwarya Pant max boundary sets the range of the wheel. 10*09f3fe40SAishwarya Pant 11*09f3fe40SAishwarya PantWhat: /sys/bus/hid/drivers/logitech-hidpp-device/<dev>/builtin_power_supply 12*09f3fe40SAishwarya PantDate: Apr, 2017 13*09f3fe40SAishwarya PantKernelVersion: 4.12 14*09f3fe40SAishwarya PantContact: linux-input@vger.kernel.org 15*09f3fe40SAishwarya PantDescription: 16*09f3fe40SAishwarya Pant Presence of this file indicates that HID++ driver is capable of 17*09f3fe40SAishwarya Pant handling battery properties in the kernel. This way, upower can 18*09f3fe40SAishwarya Pant add a udev rule to decide whether or not it should use the 19*09f3fe40SAishwarya Pant internal unifying support or the generic kernel one. 20