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
  23int st_magn_common_probe(struct iio_dev *indio_dev);
  24void st_magn_common_remove(struct iio_dev *indio_dev);
  25
  26#ifdef CONFIG_IIO_BUFFER
  27int st_magn_allocate_ring(struct iio_dev *indio_dev);
  28void st_magn_deallocate_ring(struct iio_dev *indio_dev);
  29int st_magn_trig_set_state(struct iio_trigger *trig, bool state);
  30#define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state)
  31#else /* CONFIG_IIO_BUFFER */
  32static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
  33{
  34        return 0;
  35}
  36static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
  37{
  38        return;
  39}
  40static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
  41{
  42        return 0;
  43}
  44static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
  45{
  46}
  47#define ST_MAGN_TRIGGER_SET_STATE NULL
  48#endif /* CONFIG_IIO_BUFFER */
  49
  50#endif /* ST_MAGN_H */
  51