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e039e2f5b4
Initial support for ST LPS22HB pressure sensor. Datasheet: http://www2.st.com/resource/en/datasheet/lps22hb.pdf Features: * pressure data and timestamping channels * sampling frequency selection * interrupt based trigger * over I2C or SPI Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
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* STMicroelectronics pressures driver
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*
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* Copyright 2013 STMicroelectronics Inc.
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*
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* Denis Ciocca <denis.ciocca@st.com>
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* v. 1.0.0
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* Licensed under the GPL-2.
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*/
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#ifndef ST_PRESS_H
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#define ST_PRESS_H
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#include <linux/types.h>
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#include <linux/iio/common/st_sensors.h>
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#define LPS001WP_PRESS_DEV_NAME "lps001wp"
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#define LPS25H_PRESS_DEV_NAME "lps25h"
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#define LPS331AP_PRESS_DEV_NAME "lps331ap"
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#define LPS22HB_PRESS_DEV_NAME "lps22hb"
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/**
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* struct st_sensors_platform_data - default press platform data
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* @drdy_int_pin: default press DRDY is available on INT1 pin.
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*/
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static const struct st_sensors_platform_data default_press_pdata = {
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.drdy_int_pin = 1,
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};
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int st_press_common_probe(struct iio_dev *indio_dev);
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void st_press_common_remove(struct iio_dev *indio_dev);
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#ifdef CONFIG_IIO_BUFFER
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int st_press_allocate_ring(struct iio_dev *indio_dev);
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void st_press_deallocate_ring(struct iio_dev *indio_dev);
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int st_press_trig_set_state(struct iio_trigger *trig, bool state);
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#define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
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#else /* CONFIG_IIO_BUFFER */
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static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
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{
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return 0;
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}
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static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
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{
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}
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#define ST_PRESS_TRIGGER_SET_STATE NULL
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#endif /* CONFIG_IIO_BUFFER */
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#endif /* ST_PRESS_H */
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