MBG_SIG_MAX       252 dev/pci/mbg.c  	else if (signal > MBG_SIG_MAX)
MBG_SIG_MAX       253 dev/pci/mbg.c  		signal = MBG_SIG_MAX;
MBG_SIG_MAX       255 dev/pci/mbg.c  	sc->sc_signal.value = signal * 100000 / MBG_SIG_MAX;