USB_SPEED_STRING(9) Kernel Mode Gadget API USB_SPEED_STRING(9)NAMEusb_speed_string - Returns human readable-name of the speed.SYNOPSISconst char * usb_speed_string(enum usb_device_speed speed);ARGUMENTSspeed The speed to return human-readable name for. If it's not any of the speeds defined in usb_device_speed enum, string for USB_SPEED_UNKNOWN will be returned.AUTHORDavid Brownell <dbrownell@users.sourceforge.net> Author.COPYRIGHTKernel Hackers Manual 3.10 June 2014 USB_SPEED_STRING(9)