AD4170_INVALID_SETUP
chan_info->setup_num = AD4170_INVALID_SETUP;
st->chan_infos[chan_num].setup_num = AD4170_INVALID_SETUP;
*setup_num = AD4170_INVALID_SETUP;
if (*setup_num == AD4170_INVALID_SETUP ||
if (*setup_num == AD4170_INVALID_SETUP)
chan_info->setup_num = AD4170_INVALID_SETUP;
if (chan_info->setup_num != AD4170_INVALID_SETUP) {
if (chan_info->setup_num != AD4170_INVALID_SETUP)