USB_AS_STOP_POLLING_STARTED
ASSERT(uasp->usb_as_audio_state != USB_AS_STOP_POLLING_STARTED);
case USB_AS_STOP_POLLING_STARTED:
if (uasp->usb_as_audio_state != USB_AS_STOP_POLLING_STARTED) {
uasp->usb_as_audio_state = USB_AS_STOP_POLLING_STARTED;