1What: For USB devices : /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/report_descriptor 2 For BT devices : /sys/class/bluetooth/hci<addr>/<hid-bus>:<vendor-id>:<product-id>.<num>/report_descriptor 3 Symlink : /sys/class/hidraw/hidraw<num>/device/report_descriptor 4Date: Jan 2011 5KernelVersion: 2.0.39 6Contact: Alan Ott <alan@signal11.us> 7Description: When read, this file returns the device's raw binary HID 8 report descriptor. 9 This file cannot be written. 10Users: HIDAPI library (http://www.signal11.us/oss/hidapi) 11 12What: For USB devices : /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/country 13 For BT devices : /sys/class/bluetooth/hci<addr>/<hid-bus>:<vendor-id>:<product-id>.<num>/country 14 Symlink : /sys/class/hidraw/hidraw<num>/device/country 15Date: February 2015 16KernelVersion: 3.19 17Contact: Olivier Gay <ogay@logitech.com> 18Description: When read, this file returns the hex integer value in ASCII 19 of the device's HID country code (e.g. 21 for US). 20 This file cannot be written. 21