| 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 |