tegrakernel/kernel/kernel-4.9/drivers/iio/pressure/st_pressure.h

51 lines
1.3 KiB
C

/*
* 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"
#define LPS22HB_PRESS_DEV_NAME "lps22hb"
/**
* 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 */