usb_audio_mixer_unit_1 762 dev/usb/uaudio.c struct usb_audio_mixer_unit_1 *d1; usb_audio_mixer_unit_1 776 dev/usb/uaudio.c d1 = (struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins]; usb_audio_mixer_unit_1 173 dev/usb/uaudioreg.h struct usb_audio_mixer_unit_1 {