ESS_PREAMP_CTRL_ENABLE 1797 dev/isa/ess.c  					  ESS_PREAMP_CTRL_ENABLE);
ESS_PREAMP_CTRL_ENABLE 1801 dev/isa/ess.c  					  ESS_PREAMP_CTRL_ENABLE);
ESS_PREAMP_CTRL_ENABLE 1891 dev/isa/ess.c  			      ESS_PREAMP_CTRL_ENABLE) ? 1 : 0;