usb_endpoint_descriptor_audio_t
uaudio_chan_dump_ep_desc(const usb_endpoint_descriptor_audio_t *ed)
uaudio_record_fix_fs(usb_endpoint_descriptor_audio_t *ep,
usb_endpoint_descriptor_audio_t *ed1 = NULL;
const usb_endpoint_descriptor_audio_t *p_ed1;
const usb_endpoint_descriptor_audio_t *);