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kernel/linux-rt-4.4.41/drivers/iio/pressure/st_pressure.h 1.27 KB
5113f6f70   김현기   kernel add
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  /*
   * STMicroelectronics pressures driver
   *
   * Copyright 2013 STMicroelectronics Inc.
   *
   * Denis Ciocca <denis.ciocca@st.com>
   * v. 1.0.0
   * Licensed under the GPL-2.
   */
  
  #ifndef ST_PRESS_H
  #define ST_PRESS_H
  
  #include <linux/types.h>
  #include <linux/iio/common/st_sensors.h>
  
  #define LPS001WP_PRESS_DEV_NAME		"lps001wp"
  #define LPS25H_PRESS_DEV_NAME		"lps25h"
  #define LPS331AP_PRESS_DEV_NAME		"lps331ap"
  
  /**
   * struct st_sensors_platform_data - default press platform data
   * @drdy_int_pin: default press DRDY is available on INT1 pin.
   */
  static const struct st_sensors_platform_data default_press_pdata = {
  	.drdy_int_pin = 1,
  };
  
  int st_press_common_probe(struct iio_dev *indio_dev);
  void st_press_common_remove(struct iio_dev *indio_dev);
  
  #ifdef CONFIG_IIO_BUFFER
  int st_press_allocate_ring(struct iio_dev *indio_dev);
  void st_press_deallocate_ring(struct iio_dev *indio_dev);
  int st_press_trig_set_state(struct iio_trigger *trig, bool state);
  #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
  #else /* CONFIG_IIO_BUFFER */
  static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
  {
  	return 0;
  }
  
  static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
  {
  }
  #define ST_PRESS_TRIGGER_SET_STATE NULL
  #endif /* CONFIG_IIO_BUFFER */
  
  #endif /* ST_PRESS_H */