Quelle  sysfs-driver-hid   Sprache: C

What:  /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/report_descriptor
What:  /sys/class/bluetooth/hci<addr>/<hid-bus>:<vendor-id>:<product-id>.<num>/report_descriptor
What:  /sys/class/hidraw/hidraw<num>/device/report_descriptor
Date:  Jan 2011
KernelVersion: 2.0.39
Contact: Alan Ott <alan@signal11.us>
Description: When read, this file returns the device's raw binary HID
  report descriptor.
  This file cannot be written.
Users:  HIDAPI library (http://www.signal11.us/oss/hidapi)

What:  /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/country
What:  /sys/class/bluetooth/hci<addr>/<hid-bus>:<vendor-id>:<product-id>.<num>/country
What:  /sys/class/hidraw/hidraw<num>/device/country
Date:  February 2015
KernelVersion: 3.19
Contact: Olivier Gay <ogay@logitech.com>
Description: When read, this file returns the hex integer value in ASCII
  of the device's HID country code (e.g. 21 for US).
  This file cannot be written.