PSS_DAC_MUTE     1310 dev/isa/pss.c  { PSS_DAC_MUTE, AD1848_KIND_MUTE, AD1848_DAC_CHANNEL },
PSS_DAC_MUTE     1449 dev/isa/pss.c  	dip->next = PSS_DAC_MUTE;
PSS_DAC_MUTE     1549 dev/isa/pss.c      case PSS_DAC_MUTE: