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linux-phytium
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drivers
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iio
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magnetometer
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st_magn.h

st_magn.h 1.4 KB
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  1. /*
    2. 

  2.  * STMicroelectronics magnetometers driver
    3. 

  3.  *
    4. 

  4.  * Copyright 2012-2013 STMicroelectronics Inc.
    5. 

  5.  *
    6. 

  6.  * Denis Ciocca <denis.ciocca@st.com>
    7. 

  7.  * v. 1.0.0
    8. 

  8.  * Licensed under the GPL-2.
    9. 

  9.  */
    10. 

  10. 

  11. #ifndef ST_MAGN_H
    12. 

  12. #define ST_MAGN_H
    13. 

  13. 

  14. #include <linux/types.h>
    15. 

  15. #include <linux/iio/common/st_sensors.h>
    16. 

  16. 

  17. #define LSM303DLH_MAGN_DEV_NAME		"lsm303dlh_magn"
    18. 

  18. #define LSM303DLHC_MAGN_DEV_NAME	"lsm303dlhc_magn"
    19. 

  19. #define LSM303DLM_MAGN_DEV_NAME		"lsm303dlm_magn"
    20. 

  20. #define LIS3MDL_MAGN_DEV_NAME		"lis3mdl"
    21. 

  21. #define LSM303AGR_MAGN_DEV_NAME		"lsm303agr_magn"
    22. 

  22. #define LIS2MDL_MAGN_DEV_NAME		"lis2mdl"
    23. 

  23. 

  24. int st_magn_common_probe(struct iio_dev *indio_dev);
    25. 

  25. void st_magn_common_remove(struct iio_dev *indio_dev);
    26. 

  26. 

  27. #ifdef CONFIG_IIO_BUFFER
    28. 

  28. int st_magn_allocate_ring(struct iio_dev *indio_dev);
    29. 

  29. void st_magn_deallocate_ring(struct iio_dev *indio_dev);
    30. 

  30. int st_magn_trig_set_state(struct iio_trigger *trig, bool state);
    31. 

  31. #define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state)
    32. 

  32. #else /* CONFIG_IIO_BUFFER */
    33. 

  33. static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
    34. 

  34. {
    35. 

  35. 	return 0;
    36. 

  36. }
    37. 

  37. static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
    38. 

  38. {
    39. 

  39. 	return;
    40. 

  40. }
    41. 

  41. static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
    42. 

  42. {
    43. 

  43. 	return 0;
    44. 

  44. }
    45. 

  45. static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
    46. 

  46. {
    47. 

  47. }
    48. 

  48. #define ST_MAGN_TRIGGER_SET_STATE NULL
    49. 

  49. #endif /* CONFIG_IIO_BUFFER */
    50. 

  50. 

  51. #endif /* ST_MAGN_H */
    52. 

  52.