[linux.git] / drivers / iio / iio_core_trigger.h

/* SPDX-License-Identifier: GPL-2.0-only */

/* The industrial I/O core, trigger consumer handling functions
 *
 * Copyright (c) 2008 Jonathan Cameron
 */

#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);


int iio_trigger_attach_poll_func(struct iio_trigger *trig,
				 struct iio_poll_func *pf);
int iio_trigger_detach_poll_func(struct iio_trigger *trig,
				 struct iio_poll_func *pf);

#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 inline 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 inline void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
{
}

static inline int iio_trigger_attach_poll_func(struct iio_trigger *trig,
					       struct iio_poll_func *pf)
{
	return 0;
}
static inline int iio_trigger_detach_poll_func(struct iio_trigger *trig,
					       struct iio_poll_func *pf)
{
	return 0;
}

#endif /* CONFIG_TRIGGER_CONSUMER */
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
847ec80b JC	2
	3	/* The industrial I/O core, trigger consumer handling functions
	4	*
	5	* Copyright (c) 2008 Jonathan Cameron
847ec80b JC	6	*/
847ec80b JC	7
1637db44 JC	8	#ifdef CONFIG_IIO_TRIGGER
1637db44 JC	9	/**
4c572605	10	* iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
f8c6f4e9	11	* @indio_dev: iio_dev associated with the device that will consume the trigger
1637db44	12	**/
67be8e32	13	void iio_device_register_trigger_consumer(struct iio_dev *indio_dev);
4c572605	14
1637db44	15	/**
4c572605	16	* iio_device_unregister_trigger_consumer() - reverse the registration process
f8c6f4e9	17	* @indio_dev: iio_dev associated with the device that consumed the trigger
1637db44	18	**/
f8c6f4e9	19	void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev);
1637db44	20
f11d59d8 LPC	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
1637db44 JC	27	#else
1637db44 JC	28
847ec80b	29	/**
4c572605	30	* iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
f8c6f4e9	31	* @indio_dev: iio_dev associated with the device that will consume the trigger
847ec80b	32	**/
4d55cb8e	33	static inline int iio_device_register_trigger_consumer(struct iio_dev *indio_dev)
847ec80b JC	34	{
847ec80b JC	35	return 0;
70ea35fb	36	}
4c572605	37
847ec80b JC	38	/**
847ec80b JC	39	* iio_device_unregister_trigger_consumer() - reverse the registration process
f8c6f4e9	40	* @indio_dev: iio_dev associated with the device that consumed the trigger
847ec80b	41	**/
4d55cb8e	42	static inline void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
847ec80b	43	{
70ea35fb	44	}
1637db44	45
f11d59d8 LPC	46	static inline int iio_trigger_attach_poll_func(struct iio_trigger *trig,
	47	struct iio_poll_func *pf)
	48	{
	49	return 0;
	50	}
	51	static inline int iio_trigger_detach_poll_func(struct iio_trigger *trig,
	52	struct iio_poll_func *pf)
	53	{
	54	return 0;
	55	}
	56
1637db44	57	#endif /* CONFIG_TRIGGER_CONSUMER */