LXR linux/drivers/iio/magnetometer/st

   1/*
   2 * STMicroelectronics magnetometers driver
   3 *
   4 * Copyright 2012-2013 STMicroelectronics Inc.
   5 *
   6 * Denis Ciocca <denis.ciocca@st.com>
   7 * v. 1.0.0
   8 * Licensed under the GPL-2.
   9 */
  10
  11#ifndef ST_MAGN_H
  12#define ST_MAGN_H
  13
  14#include <linux/types.h>
  15#include <linux/iio/common/st_sensors.h>
  16
  17#define LSM303DLH_MAGN_DEV_NAME         "lsm303dlh_magn"
  18#define LSM303DLHC_MAGN_DEV_NAME        "lsm303dlhc_magn"
  19#define LSM303DLM_MAGN_DEV_NAME         "lsm303dlm_magn"
  20#define LIS3MDL_MAGN_DEV_NAME           "lis3mdl"
  21#define LSM303AGR_MAGN_DEV_NAME         "lsm303agr_magn"
  22#define LIS2MDL_MAGN_DEV_NAME           "lis2mdl"
  23
  24int st_magn_common_probe(struct iio_dev *indio_dev);
  25void st_magn_common_remove(struct iio_dev *indio_dev);
  26
  27#ifdef CONFIG_IIO_BUFFER
  28int st_magn_allocate_ring(struct iio_dev *indio_dev);
  29void st_magn_deallocate_ring(struct iio_dev *indio_dev);
  30int st_magn_trig_set_state(struct iio_trigger *trig, bool state);
  31#define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state)
  32#else /* CONFIG_IIO_BUFFER */
  33static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
  34{
  35        return 0;
  36}
  37static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
  38{
  39        return;
  40}
  41static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
  42{
  43        return 0;
  44}
  45static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
  46{
  47}
  48#define ST_MAGN_TRIGGER_SET_STATE NULL
  49#endif /* CONFIG_IIO_BUFFER */
  50
  51#endif /* ST_MAGN_H */
  52