--- zzzz-none-000/linux-3.10.107/drivers/iio/magnetometer/st_magn.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/iio/magnetometer/st_magn.h	2021-02-04 17:41:59.000000000 +0000
@@ -14,9 +14,11 @@
 #include <linux/types.h>
 #include <linux/iio/common/st_sensors.h>
 
+#define LSM303DLH_MAGN_DEV_NAME		"lsm303dlh_magn"
 #define LSM303DLHC_MAGN_DEV_NAME	"lsm303dlhc_magn"
 #define LSM303DLM_MAGN_DEV_NAME		"lsm303dlm_magn"
 #define LIS3MDL_MAGN_DEV_NAME		"lis3mdl"
+#define LSM303AGR_MAGN_DEV_NAME		"lsm303agr_magn"
 
 int st_magn_common_probe(struct iio_dev *indio_dev);
 void st_magn_common_remove(struct iio_dev *indio_dev);
@@ -24,6 +26,8 @@
 #ifdef CONFIG_IIO_BUFFER
 int st_magn_allocate_ring(struct iio_dev *indio_dev);
 void st_magn_deallocate_ring(struct iio_dev *indio_dev);
+int st_magn_trig_set_state(struct iio_trigger *trig, bool state);
+#define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state)
 #else /* CONFIG_IIO_BUFFER */
 static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
 {
@@ -40,6 +44,7 @@
 static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
 {
 }
+#define ST_MAGN_TRIGGER_SET_STATE NULL
 #endif /* CONFIG_IIO_BUFFER */
 
 #endif /* ST_MAGN_H */