Path: blob/master/Documentation/ABI/testing/sysfs-driver-hid
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What: For USB devices : /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/report_descriptor For BT devices : /sys/class/bluetooth/hci<addr>/<hid-bus>:<vendor-id>:<product-id>.<num>/report_descriptor Symlink : /sys/class/hidraw/hidraw<num>/device/report_descriptor Date: Jan 2011 KernelVersion: 2.0.39 Contact: Alan Ott <[email protected]> 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)