ds_ctl2
ads->ds_ctl2 = AR5416DESC_CONST(ds0)->ds_ctl2;
ads->ds_ctl2 = 0;
ads->ds_ctl2 = set11nTries(series, 0) |
last_ads->ds_ctl2 = ads->ds_ctl2;
ads->ds_ctl2 &= ~AR_BurstDur;
ads->ds_ctl2 |= SM(burstDuration, AR_BurstDur);