st_magn_get_settings
settings = st_magn_get_settings(lsm9ds0->name);
EXPORT_SYMBOL_NS(st_magn_get_settings, "IIO_ST_SENSORS");
settings = st_magn_get_settings(client->name);
settings = st_magn_get_settings(spi->modalias);
const struct st_sensor_settings *st_magn_get_settings(const char *name);