Path: blob/master/Documentation/ABI/testing/configfs-usb-gadget-midi
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What: /config/usb-gadget/gadget/functions/midi.name Date: Nov 2014 KernelVersion: 3.19 Description: The attributes: ================ ==================================== index index value for the USB MIDI adapter id ID string for the USB MIDI adapter buflen MIDI buffer length qlen USB read request queue length in_ports number of MIDI input ports out_ports number of MIDI output ports interface_string USB AudioControl interface string ================ ====================================