1 /* 2 * STMicroelectronics magnetometers driver 3 * 4 * Copyright 2012-2013 STMicroelectronics Inc. 5 * 6 * Denis Ciocca <denis.ciocca@st.com> 7 * v. 1.0.0 8 * Licensed under the GPL-2. 9 */ 10 11 #ifndef ST_MAGN_H 12 #define ST_MAGN_H 13 14 #include <linux/types.h> 15 #include <linux/iio/common/st_sensors.h> 16 17 #define LSM303DLH_MAGN_DEV_NAME "lsm303dlh_magn" 18 #define LSM303DLHC_MAGN_DEV_NAME "lsm303dlhc_magn" 19 #define LSM303DLM_MAGN_DEV_NAME "lsm303dlm_magn" 20 #define LIS3MDL_MAGN_DEV_NAME "lis3mdl" 21 #define LSM303AGR_MAGN_DEV_NAME "lsm303agr_magn" 22 23 int st_magn_common_probe(struct iio_dev *indio_dev); 24 void st_magn_common_remove(struct iio_dev *indio_dev); 25 26 #ifdef CONFIG_IIO_BUFFER 27 int st_magn_allocate_ring(struct iio_dev *indio_dev); 28 void st_magn_deallocate_ring(struct iio_dev *indio_dev); 29 int st_magn_trig_set_state(struct iio_trigger *trig, bool state); 30 #define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state) 31 #else /* CONFIG_IIO_BUFFER */ 32 static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq) 33 { 34 return 0; 35 } 36 static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq) 37 { 38 return; 39 } 40 static inline int st_magn_allocate_ring(struct iio_dev *indio_dev) 41 { 42 return 0; 43 } 44 static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev) 45 { 46 } 47 #endif /* CONFIG_IIO_BUFFER */ 48 49 #endif /* ST_MAGN_H */ 50