exchange_dac 2442 sound/pci/cmipci.c DEFINE_SWITCH_ARG(exchange_dac, CM_REG_MISC_CTRL, CM_XCHGDAC, 0, 0, 0); /* reversed */ exchange_dac 2444 sound/pci/cmipci.c DEFINE_SWITCH_ARG(exchange_dac, CM_REG_MISC_CTRL, CM_XCHGDAC, CM_XCHGDAC, 0, 0); exchange_dac 2604 sound/pci/cmipci.c DEFINE_MIXER_SWITCH("Exchange DAC", exchange_dac);