root/include/uapi/linux/usb/

1. audio.h
2. cdc-wdm.h
3. cdc.h
4. ch11.h
5. ch9.h
6. charger.h
7. functionfs.h
8. g_printer.h
9. g_uvc.h
10. gadgetfs.h
11. midi.h
12. tmc.h
13. video.h