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 void 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 **/ 19 void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev); 20 21 22 int iio_trigger_attach_poll_func(struct iio_trigger *trig, 23 struct iio_poll_func *pf); 24 int 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 **/ iio_device_register_trigger_consumer(struct iio_dev * indio_dev)33static inline 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 **/ iio_device_unregister_trigger_consumer(struct iio_dev * indio_dev)42static inline void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev) 43 { 44 } 45 iio_trigger_attach_poll_func(struct iio_trigger * trig,struct iio_poll_func * pf)46static inline int iio_trigger_attach_poll_func(struct iio_trigger *trig, 47 struct iio_poll_func *pf) 48 { 49 return 0; 50 } iio_trigger_detach_poll_func(struct iio_trigger * trig,struct iio_poll_func * pf)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 */ 58