Release 4.7 drivers/iio/magnetometer/st_magn.h

/*
 * 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"

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;
}
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static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
{
	return;
}
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static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
{
	return 0;
}
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static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
{
}
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#define ST_MAGN_TRIGGER_SET_STATE NULL
#endif /* CONFIG_IIO_BUFFER */

#endif /* ST_MAGN_H */
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Directory: drivers/iio/magnetometer

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