swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844
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Tip revision: 9c763584b7c8911106bb77af7e648bef09af9d80 authored by Linus Torvalds on 20 November 2016, 21:52:19 UTC
Linux 4.9-rc6
Tip revision: 9c76358
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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