STP4020_ICR0_SPKREN  772 dev/sbus/stp4020.c 		    STP4020_ICR0_IOILVL_SB0 | STP4020_ICR0_SPKREN;
STP4020_ICR0_SPKREN  777 dev/sbus/stp4020.c 		    STP4020_ICR0_SPKREN | STP4020_ICR0_IOIE);
STP4020_ICR0_SPKREN  799 dev/sbus/stp4020.c 	    STP4020_ICR0_SPKREN | STP4020_ICR0_IOIE);