1/* SPDX-License-Identifier: GPL-2.0-only */
 2
 3/* The industrial I/O core, trigger consumer handling functions
 4 *
 5 * Copyright (c) 2008 Jonathan Cameron
 6 */
 7
 8#ifdef CONFIG_IIO_TRIGGER
 9/**
10 * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
11 * @indio_dev: iio_dev associated with the device that will consume the trigger
12 **/
13void iio_device_register_trigger_consumer(struct iio_dev *indio_dev);
14
15/**
16 * iio_device_unregister_trigger_consumer() - reverse the registration process
17 * @indio_dev: iio_dev associated with the device that consumed the trigger
18 **/
19void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev);
20
21
22int iio_trigger_attach_poll_func(struct iio_trigger *trig,
23				 struct iio_poll_func *pf);
24int iio_trigger_detach_poll_func(struct iio_trigger *trig,
25				 struct iio_poll_func *pf);
26
27#else
28
29/**
30 * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
31 * @indio_dev: iio_dev associated with the device that will consume the trigger
32 **/
33static int iio_device_register_trigger_consumer(struct iio_dev *indio_dev)
34{
35	return 0;
36}
37
38/**
39 * iio_device_unregister_trigger_consumer() - reverse the registration process
40 * @indio_dev: iio_dev associated with the device that consumed the trigger
41 **/
42static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
43{
44}
45
46static inline int iio_trigger_attach_poll_func(struct iio_trigger *trig,
47					       struct iio_poll_func *pf)
48{
49	return 0;
50}
51static inline int iio_trigger_detach_poll_func(struct iio_trigger *trig,
52					       struct iio_poll_func *pf)
53{
54	return 0;
55}
56
57#endif /* CONFIG_TRIGGER_CONSUMER */