drivers/iio/pressure/st_pressure.h

Source file repositories/reference/linux-study-clean/drivers/iio/pressure/st_pressure.h

File Facts

System
Linux kernel
Corpus path
drivers/iio/pressure/st_pressure.h
Extension
.h
Size
1417 bytes
Lines
59
Domain
Driver Families
Bucket
drivers/iio
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef ST_PRESS_H
#define ST_PRESS_H

#include <linux/types.h>
#include <linux/iio/common/st_sensors.h>

enum st_press_type {
	LPS001WP,
	LPS25H,
	LPS331AP,
	LPS22HB,
	LPS33HW,
	LPS35HW,
	LPS22HH,
	LPS22DF,
	ST_PRESS_MAX,
};

#define LPS001WP_PRESS_DEV_NAME		"lps001wp"
#define LPS25H_PRESS_DEV_NAME		"lps25h"
#define LPS331AP_PRESS_DEV_NAME		"lps331ap"
#define LPS22HB_PRESS_DEV_NAME		"lps22hb"
#define LPS33HW_PRESS_DEV_NAME		"lps33hw"
#define LPS35HW_PRESS_DEV_NAME		"lps35hw"
#define LPS22HH_PRESS_DEV_NAME		"lps22hh"
#define LPS22DF_PRESS_DEV_NAME		"lps22df"

/**
 * struct st_sensors_platform_data - default press platform data
 * @drdy_int_pin: default press DRDY is available on INT1 pin.
 */
static __maybe_unused const struct st_sensors_platform_data default_press_pdata = {
	.drdy_int_pin = 1,
};

#ifdef CONFIG_IIO_BUFFER
int st_press_allocate_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;
}
#define ST_PRESS_TRIGGER_SET_STATE NULL
#endif /* CONFIG_IIO_BUFFER */

#endif /* ST_PRESS_H */

Annotation

Implementation Notes