mirror of
https://github.com/torvalds/linux.git
synced 2024-12-21 02:21:36 +00:00
d0b7fea58a
add support to STMicroelectronics LIS2MDL magnetometer in st_magn framework http://www.st.com/resource/en/datasheet/lis2mdl.pdf Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
|
|
* 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 */
|