CtlSnapShotDiffersAt   87 sound/usb/usx2y/usbus428ctldefs.h 	int			CtlSnapShotDiffersAt[N_us428_ctl_BUFS];
CtlSnapShotDiffersAt  209 sound/usb/usx2y/usbusx2y.c 			us428ctls->CtlSnapShotDiffersAt[n] = diff;