mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 01:31:44 +00:00
a980e04609
Take the core support + the kfifo buffer implentation out of staging. Whilst we are far from done in improving this subsystem it is now at a stage where the userspae interfaces (provided by the core) can be considered stable. Drivers will follow over a longer time scale. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
|
|
/* The industrial I/O core, trigger consumer handling functions
|
|
*
|
|
* Copyright (c) 2008 Jonathan Cameron
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published by
|
|
* the Free Software Foundation.
|
|
*/
|
|
|
|
#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 */
|
|
|
|
|
|
|