spdif_dac_out    2433 sound/pci/cmipci.c DEFINE_BIT_SWITCH_ARG(spdif_dac_out, CM_REG_LEGACY_CTRL, CM_DAC2SPDO, 0, 1);
spdif_dac_out    2630 sound/pci/cmipci.c 	DEFINE_MIXER_SWITCH("IEC958 Mix Analog", spdif_dac_out),