CM_N4SPK3D       2445 sound/pci/cmipci.c DEFINE_BIT_SWITCH_ARG(fourch, CM_REG_MISC_CTRL, CM_N4SPK3D, 0, 0);
CM_N4SPK3D       3101 sound/pci/cmipci.c 	snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_ENDBDAC|CM_N4SPK3D);