linux/drivers/iio/industrialio-triggered-event.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2015 Cogent Embedded, Inc.
 */

#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/triggered_event.h>
#include <linux/iio/trigger_consumer.h>

/**
 * iio_triggered_event_setup() - Setup pollfunc_event for triggered event
 * @indio_dev:	IIO device structure
 * @h:		Function which will be used as pollfunc_event top half
 * @thread:	Function which will be used as pollfunc_event bottom half
 *
 * This function combines some common tasks which will normally be performed
 * when setting up a triggered event. It will allocate the pollfunc_event and
 * set mode to use it for triggered event.
 *
 * Before calling this function the indio_dev structure should already be
 * completely initialized, but not yet registered. In practice this means that
 * this function should be called right before iio_device_register().
 *
 * To free the resources allocated by this function call
 * iio_triggered_event_cleanup().
 */
int iio_triggered_event_setup(struct iio_dev *indio_dev,
			      irqreturn_t (*h)(int irq, void *p),
			      irqreturn_t (*thread)(int irq, void *p))
{ … }
EXPORT_SYMBOL(…);

/**
 * iio_triggered_event_cleanup() - Free resources allocated by iio_triggered_event_setup()
 * @indio_dev: IIO device structure
 */
void iio_triggered_event_cleanup(struct iio_dev *indio_dev)
{ … }
EXPORT_SYMBOL(…);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;