[linux-2.6-block.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);

#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 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 void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
{
}

#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 JC	20
	21	#else
	22
847ec80b	23	/**
4c572605	24	* iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
f8c6f4e9	25	* @indio_dev: iio_dev associated with the device that will consume the trigger
847ec80b	26	**/
f8c6f4e9	27	static int iio_device_register_trigger_consumer(struct iio_dev *indio_dev)
847ec80b JC	28	{
847ec80b JC	29	return 0;
70ea35fb	30	}
4c572605	31
847ec80b JC	32	/**
847ec80b JC	33	* iio_device_unregister_trigger_consumer() - reverse the registration process
f8c6f4e9	34	* @indio_dev: iio_dev associated with the device that consumed the trigger
847ec80b	35	**/
f8c6f4e9	36	static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
847ec80b	37	{
70ea35fb	38	}
1637db44 JC	39
1637db44 JC	40	#endif /* CONFIG_TRIGGER_CONSUMER */