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kernel/linux-rt-4.4.41/drivers/iio/iio_core_trigger.h 1.32 KB
5113f6f70   김현기   kernel add
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  /* 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 */