PARA_ERROR(ALSA_MIX_GET_VAL, "could not read control element state"), \
PARA_ERROR(ALSA_MIX_SET_VAL, "could not set control element state"), \
PARA_ERROR(ALSA_MIX_GET_VAL, "could not read control element state"), \
PARA_ERROR(ALSA_MIX_SET_VAL, "could not set control element state"), \