EAP_ADC_EN       1181 dev/pci/eap.c  	EWRITE4(sc, EAP_ICSC, icsc | EAP_ADC_EN);
EAP_ADC_EN       1211 dev/pci/eap.c  	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);