st_pressure.h revision 23cde4d65cc7d11e2048d2b240cdf13927ac50d0 
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 */
23static const struct st_sensors_platform_data default_press_pdata = {
24	.drdy_int_pin = 1,
25};
26
27int st_press_common_probe(struct iio_dev *indio_dev,
28					struct st_sensors_platform_data *pdata);
29void st_press_common_remove(struct iio_dev *indio_dev);
30
31#ifdef CONFIG_IIO_BUFFER
32int st_press_allocate_ring(struct iio_dev *indio_dev);
33void st_press_deallocate_ring(struct iio_dev *indio_dev);
34int 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 */
37static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
38{
39	return 0;
40}
41
42static 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 */
49