linux/drivers/iio/magnetometer/st_magn.h
Denis Ciocca aa4e75c850 iio:magn: introduce st_magn_get_settings() function
The function is introduced to retrieve magn device settings. It will be
used by probe in order to configure regmap.

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-07-27 22:52:05 +01:00

54 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* STMicroelectronics magnetometers driver
*
* Copyright 2012-2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
* v. 1.0.0
*/
#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"
#define LSM9DS1_MAGN_DEV_NAME "lsm9ds1_magn"
const struct st_sensor_settings *st_magn_get_settings(const char *name);
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 */