drivers/staging/iio/trigger_consumer.h

   1
   2 /* The industrial I/O core, trigger consumer handling functions
   3  *
   4  * Copyright (c) 2008 Jonathan Cameron
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 as published by
   8  * the Free Software Foundation.
   9  */
  10
  11 #ifdef CONFIG_IIO_TRIGGER
  12 /**
  13  * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers.
  14  * @dev_info: iio_dev associated with the device that will consume the trigger
  15  **/
  16 int iio_device_register_trigger_consumer(struct iio_dev *dev_info);
  17 /**
  18  * iio_device_unregister_trigger_consumer() - reverse the registration process.
  19  * @dev_info: iio_dev associated with the device that consumed the trigger
  20  **/
  21 int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info);
  22
  23 #else
  24
  25 /**
  26  * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers.
  27  * @dev_info: iio_dev associated with the device that will consume the trigger
  28  **/
  29 int iio_device_register_trigger_consumer(struct iio_dev *dev_info)
  30 {
  31         return 0;
  32 };
  33 /**
  34  * iio_device_unregister_trigger_consumer() - reverse the registration process
  35  * @dev_info: iio_dev associated with the device that consumed the trigger
  36  **/
  37 int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info)
  38 {
  39         return 0;
  40 };
  41
  42 #endif /* CONFIG_TRIGGER_CONSUMER */
  43
  44
  45