1. 根目录:
2. drivers
3. iio
4. accel
5. st_accel.h

/*
 * STMicroelectronics accelerometers driver
 *
 * Copyright 2012-2013 STMicroelectronics Inc.
 *
 * Denis Ciocca <denis.ciocca@st.com>
 * v. 1.0.0
 * Licensed under the GPL-2.
 */

#ifndef ST_ACCEL_H
#define ST_ACCEL_H

#include <linux/types.h>
#include <linux/iio/common/st_sensors.h>

#define LIS3LV02DL_ACCEL_DEV_NAME	"lis3lv02dl_accel"
#define LSM303DLHC_ACCEL_DEV_NAME	"lsm303dlhc_accel"
#define LIS3DH_ACCEL_DEV_NAME		"lis3dh"
#define LSM330D_ACCEL_DEV_NAME		"lsm330d_accel"
#define LSM330DL_ACCEL_DEV_NAME		"lsm330dl_accel"
#define LSM330DLC_ACCEL_DEV_NAME	"lsm330dlc_accel"
#define LIS331DL_ACCEL_DEV_NAME		"lis331dl_accel"
#define LIS331DLH_ACCEL_DEV_NAME	"lis331dlh"
#define LSM303DL_ACCEL_DEV_NAME		"lsm303dl_accel"
#define LSM303DLH_ACCEL_DEV_NAME	"lsm303dlh_accel"
#define LSM303DLM_ACCEL_DEV_NAME	"lsm303dlm_accel"
#define LSM330_ACCEL_DEV_NAME		"lsm330_accel"
#define LSM303AGR_ACCEL_DEV_NAME	"lsm303agr_accel"

/**
* struct st_sensors_platform_data - default accel platform data
* @drdy_int_pin: default accel DRDY is available on INT1 pin.
*/
static const struct st_sensors_platform_data default_accel_pdata = {
	.drdy_int_pin = 1,
};

int st_accel_common_probe(struct iio_dev *indio_dev);
void st_accel_common_remove(struct iio_dev *indio_dev);

#ifdef CONFIG_IIO_BUFFER
int st_accel_allocate_ring(struct iio_dev *indio_dev);
void st_accel_deallocate_ring(struct iio_dev *indio_dev);
int st_accel_trig_set_state(struct iio_trigger *trig, bool state);
#define ST_ACCEL_TRIGGER_SET_STATE (&st_accel_trig_set_state)
#else /* CONFIG_IIO_BUFFER */
static inline int st_accel_allocate_ring(struct iio_dev *indio_dev)
{
	return 0;
}
static inline void st_accel_deallocate_ring(struct iio_dev *indio_dev)
{
}
#define ST_ACCEL_TRIGGER_SET_STATE NULL
#endif /* CONFIG_IIO_BUFFER */

#endif /* ST_ACCEL_H */