snd_usbmidi_suspend  820 sound/usb/card.c 			snd_usbmidi_suspend(p);
snd_usbmidi_suspend 2327 sound/usb/midi.c EXPORT_SYMBOL(snd_usbmidi_suspend);
snd_usbmidi_suspend   60 sound/usb/midi.h void snd_usbmidi_suspend(struct list_head *p);