CM_SPDF_1         419 sound/pci/cmipci.c #define CM_PLAYBACK_SPDF	CM_SPDF_1
CM_SPDF_1         424 sound/pci/cmipci.c #define CM_CAPTURE_SPDF		CM_SPDF_1
CM_SPDF_1        2423 sound/pci/cmipci.c DEFINE_BIT_SWITCH_ARG(spdif_in, CM_REG_FUNCTRL1, CM_SPDF_1, 0, 0);