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 | * |
13 | * Return 0 if successful, negative otherwise |
14 | **/ |
15 | int iio_device_register_trigger_consumer(struct iio_dev *indio_dev); |
16 | |
17 | /** |
18 | * iio_device_unregister_trigger_consumer() - reverse the registration process |
19 | * @indio_dev: iio_dev associated with the device that consumed the trigger |
20 | **/ |
21 | void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev); |
22 | |
23 | |
24 | int iio_trigger_attach_poll_func(struct iio_trigger *trig, |
25 | struct iio_poll_func *pf); |
26 | int iio_trigger_detach_poll_func(struct iio_trigger *trig, |
27 | struct iio_poll_func *pf); |
28 | |
29 | #else |
30 | |
31 | /** |
32 | * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers |
33 | * @indio_dev: iio_dev associated with the device that will consume the trigger |
34 | **/ |
35 | static inline int iio_device_register_trigger_consumer(struct iio_dev *indio_dev) |
36 | { |
37 | return 0; |
38 | } |
39 | |
40 | /** |
41 | * iio_device_unregister_trigger_consumer() - reverse the registration process |
42 | * @indio_dev: iio_dev associated with the device that consumed the trigger |
43 | **/ |
44 | static inline void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev) |
45 | { |
46 | } |
47 | |
48 | static inline int iio_trigger_attach_poll_func(struct iio_trigger *trig, |
49 | struct iio_poll_func *pf) |
50 | { |
51 | return 0; |
52 | } |
53 | static inline int iio_trigger_detach_poll_func(struct iio_trigger *trig, |
54 | struct iio_poll_func *pf) |
55 | { |
56 | return 0; |
57 | } |
58 | |
59 | #endif /* CONFIG_TRIGGER_CONSUMER */ |
60 | |