ms_header 1838 sound/usb/midi.c struct usb_ms_header_descriptor *ms_header; ms_header 1849 sound/usb/midi.c ms_header = (struct usb_ms_header_descriptor *)hostif->extra; ms_header 1851 sound/usb/midi.c ms_header->bLength >= 7 && ms_header 1852 sound/usb/midi.c ms_header->bDescriptorType == USB_DT_CS_INTERFACE && ms_header 1853 sound/usb/midi.c ms_header->bDescriptorSubtype == UAC_HEADER) ms_header 1855 sound/usb/midi.c ms_header->bcdMSC[1], ms_header->bcdMSC[0]);