diff options
Diffstat (limited to 'drivers/iio/magnetometer/st_magn.h')
| -rw-r--r-- | drivers/iio/magnetometer/st_magn.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h new file mode 100644 index 000000000..8fe51ce42 --- /dev/null +++ b/drivers/iio/magnetometer/st_magn.h @@ -0,0 +1,51 @@ +/* + * STMicroelectronics magnetometers driver + * + * Copyright 2012-2013 STMicroelectronics Inc. + * + * Denis Ciocca <denis.ciocca@st.com> + * v. 1.0.0 + * Licensed under the GPL-2. + */ + +#ifndef ST_MAGN_H +#define ST_MAGN_H + +#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" +#define LIS2MDL_MAGN_DEV_NAME "lis2mdl" + +int st_magn_common_probe(struct iio_dev *indio_dev); +void st_magn_common_remove(struct iio_dev *indio_dev); + +#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) +{ + return 0; +} +static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq) +{ + return; +} +static inline int st_magn_allocate_ring(struct iio_dev *indio_dev) +{ + return 0; +} +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 */ |