dln2_adc_set_chan_enabled
ret = dln2_adc_set_chan_enabled(dln2, channel, true);
dln2_adc_set_chan_enabled(dln2, channel, false);
ret = dln2_adc_set_chan_enabled(dln2, i,
dln2_adc_set_chan_enabled(dln2, j, false);