1
2/* The industrial I/O core, trigger consumer handling functions
3 *
4 * Copyright (c) 2008 Jonathan Cameron
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published by
8 * the Free Software Foundation.
9 */
10
11#ifdef CONFIG_IIO_TRIGGER
12/**
13 * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
14 * @indio_dev: iio_dev associated with the device that will consume the trigger
15 **/
16void iio_device_register_trigger_consumer(struct iio_dev *indio_dev);
17
18/**
19 * iio_device_unregister_trigger_consumer() - reverse the registration process
20 * @indio_dev: iio_dev associated with the device that consumed the trigger
21 **/
22void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev);
23
24#else
25
26/**
27 * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
28 * @indio_dev: iio_dev associated with the device that will consume the trigger
29 **/
30static int iio_device_register_trigger_consumer(struct iio_dev *indio_dev)
31{
32 return 0;
33}
34
35/**
36 * iio_device_unregister_trigger_consumer() - reverse the registration process
37 * @indio_dev: iio_dev associated with the device that consumed the trigger
38 **/
39static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
40{
41}
42
43#endif /* CONFIG_TRIGGER_CONSUMER */
44