swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844
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Tip revision: bebc6082da0a9f5d47a1ea2edc099bf671058bd4 authored by Linus Torvalds on 12 November 2017, 18:46:13 UTC
Linux 4.14
Tip revision: bebc608
iio_core_trigger.h

/* The industrial I/O core, trigger consumer handling functions
 *
 * Copyright (c) 2008 Jonathan Cameron
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

#ifdef CONFIG_IIO_TRIGGER
/**
 * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
 * @indio_dev: iio_dev associated with the device that will consume the trigger
 **/
void iio_device_register_trigger_consumer(struct iio_dev *indio_dev);

/**
 * iio_device_unregister_trigger_consumer() - reverse the registration process
 * @indio_dev: iio_dev associated with the device that consumed the trigger
 **/
void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev);

#else

/**
 * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
 * @indio_dev: iio_dev associated with the device that will consume the trigger
 **/
static int iio_device_register_trigger_consumer(struct iio_dev *indio_dev)
{
	return 0;
}

/**
 * iio_device_unregister_trigger_consumer() - reverse the registration process
 * @indio_dev: iio_dev associated with the device that consumed the trigger
 **/
static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
{
}

#endif /* CONFIG_TRIGGER_CONSUMER */
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