ref: f956eb9264672be2ac197c9672bbe88f2da3bee8
dir: /external/SDL2/src/hidapi/LICENSE-orig.txt/
HIDAPI - Multi-Platform library for communication with HID devices. Copyright 2009, Alan Ott, Signal 11 Software. All Rights Reserved. This software may be used by anyone for any reason so long as the copyright notice in the source files remains intact.