drivers/iio/pressure/st_pressure.h

   1 /*
   2  * STMicroelectronics pressures driver
   3  *
   4  * Copyright 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_PRESS_H
  12 #define ST_PRESS_H
  13
  14 #include <linux/types.h>
  15 #include <linux/iio/common/st_sensors.h>
  16
  17 #define LPS331AP_PRESS_DEV_NAME         "lps331ap"
  18
  19 /**
  20  * struct st_sensors_platform_data - default press platform data
  21  * @drdy_int_pin: default press DRDY is available on INT1 pin.
  22  */
  23 static const struct st_sensors_platform_data default_press_pdata = {
  24         .drdy_int_pin = 1,
  25 };
  26
  27 int st_press_common_probe(struct iio_dev *indio_dev,
  28                                         struct st_sensors_platform_data *pdata);
  29 void st_press_common_remove(struct iio_dev *indio_dev);
  30
  31 #ifdef CONFIG_IIO_BUFFER
  32 int st_press_allocate_ring(struct iio_dev *indio_dev);
  33 void st_press_deallocate_ring(struct iio_dev *indio_dev);
  34 int st_press_trig_set_state(struct iio_trigger *trig, bool state);
  35 #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
  36 #else /* CONFIG_IIO_BUFFER */
  37 static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
  38 {
  39         return 0;
  40 }
  41
  42 static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
  43 {
  44 }
  45 #define ST_PRESS_TRIGGER_SET_STATE NULL
  46 #endif /* CONFIG_IIO_BUFFER */
  47
  48 #endif /* ST_PRESS_H */