Symbol: USB_SUBCLS_AUD_CONTROL
usr/src/uts/common/io/usb/usba/usba.c
1497
{ USB_CLASS_AUDIO, USB_SUBCLS_AUD_CONTROL, DONTCARE, "sound-control" },
usr/src/uts/common/io/usb/usba/usba.c
1550
{ USB_CLASS_AUDIO, USB_SUBCLS_AUD_CONTROL, DONTCARE, "sound-control" },