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iio:accel: Add STMicroelectronics accelerometers driver

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This patch adds a generic accelerometer driver for STMicroelectronics
accelerometers, currently it supports:
LSM303DLH, LSM303DLHC, LIS3DH, LSM330D, LSM330DL, LSM330DLC,
LIS331DLH, LSM303DL, LSM303DLM, LSM330.

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Denis Ciocca
2013-01-25 23:44:00 +00:00
committed by Jonathan Cameron
parent 23491b513b
commit d62511689d
7 changed files with 868 additions and 0 deletions
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47
drivers/iio/accel/st_accel.h Normal file
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/*
* 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 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 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"
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 */