linux-stable/drivers/iio/iio_core_trigger.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  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

  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 #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

40 lines
1.2 KiB
C

/* 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 */