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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>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* The industrial I/O core, trigger consumer handling functions
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*
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* Copyright (c) 2008 Jonathan Cameron
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*/
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#ifdef CONFIG_IIO_TRIGGER
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/**
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* iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
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* @indio_dev: iio_dev associated with the device that will consume the trigger
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**/
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void iio_device_register_trigger_consumer(struct iio_dev *indio_dev);
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/**
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* iio_device_unregister_trigger_consumer() - reverse the registration process
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* @indio_dev: iio_dev associated with the device that consumed the trigger
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**/
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void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev);
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#else
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/**
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* iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
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* @indio_dev: iio_dev associated with the device that will consume the trigger
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**/
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static int iio_device_register_trigger_consumer(struct iio_dev *indio_dev)
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{
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return 0;
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}
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/**
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* iio_device_unregister_trigger_consumer() - reverse the registration process
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* @indio_dev: iio_dev associated with the device that consumed the trigger
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**/
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static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
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{
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}
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#endif /* CONFIG_TRIGGER_CONSUMER */
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