drivers/iio/iio_core_trigger.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  * @indio_dev: iio_dev associated with the device that will consume the trigger
  15  **/
  16 void iio_device_register_trigger_consumer(struct iio_dev *indio_dev);
  17
  18 /**
  19  * iio_device_unregister_trigger_consumer() - reverse the registration process
  20  * @indio_dev: iio_dev associated with the device that consumed the trigger
  21  **/
  22 void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev);
  23
  24 #else
  25
  26 /**
  27  * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
  28  * @indio_dev: iio_dev associated with the device that will consume the trigger
  29  **/
  30 static int iio_device_register_trigger_consumer(struct iio_dev *indio_dev)
  31 {
  32         return 0;
  33 }
  34
  35 /**
  36  * iio_device_unregister_trigger_consumer() - reverse the registration process
  37  * @indio_dev: iio_dev associated with the device that consumed the trigger
  38  **/
  39 static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
  40 {
  41 }
  42
  43 #endif /* CONFIG_TRIGGER_CONSUMER */