MAG3110_CTRL_AC
data->ctrl_reg1 & ~MAG3110_CTRL_AC);
return reg & MAG3110_CTRL_AC;
& ~MAG3110_CTRL_AC;
data->ctrl_reg1 |= MAG3110_CTRL_AC;
data->ctrl_reg1 |= MAG3110_CTRL_AC;
if ((data->ctrl_reg1 & MAG3110_CTRL_AC) == 0) {