USB_AUDIO_FEATURE_UNIT
return (usb_ac_set_control(uacp, dir, USB_AUDIO_FEATURE_UNIT,
case USB_AUDIO_FEATURE_UNIT:
case USB_AUDIO_FEATURE_UNIT:
case USB_AUDIO_FEATURE_UNIT:
case USB_AUDIO_FEATURE_UNIT:
USB_AUDIO_FEATURE_UNIT, 1,
USB_AUDIO_FEATURE_UNIT, 2,
USB_AUDIO_FEATURE_UNIT, 1,
USB_AUDIO_FEATURE_UNIT, 2,
USB_AUDIO_FEATURE_UNIT, 1,
USB_AUDIO_FEATURE_UNIT, 1,
USB_AUDIO_FEATURE_UNIT, 0,