AK8974_CTRL3
ret = regmap_write(ak8974->map, AK8974_CTRL3, AK8974_CTRL3_RESDEF);
ret = regmap_write(ak8974->map, AK8974_CTRL3, 0);
return regmap_set_bits(ak8974->map, AK8974_CTRL3, AK8974_CTRL3_FORCE);
ret = regmap_set_bits(ak8974->map, AK8974_CTRL3, AK8974_CTRL3_SELFTEST);
case AK8974_CTRL3: