ESS_SOURCE_MIC    959 dev/isa/ess.c  		ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ESS_SOURCE_MIC);
ESS_SOURCE_MIC    960 dev/isa/ess.c  		sc->in_port = ESS_SOURCE_MIC;
ESS_SOURCE_MIC   2047 dev/isa/ess.c  			dip->un.e.member[0].ord = ESS_SOURCE_MIC;