drivers/staging/iio/chrdev.h

   1 /* The industrial I/O core - character device related
   2  *
   3  * Copyright (c) 2008 Jonathan Cameron
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 as published by
   7  * the Free Software Foundation.
   8  */
   9
  10 #ifndef _IIO_CHRDEV_H_
  11 #define _IIO_CHRDEV_H_
  12
  13 /**
  14  * struct iio_event_data - The actual event being pushed to userspace
  15  * @id:         event identifier
  16  * @timestamp:  best estimate of time of event occurrence (often from
  17  *              the interrupt handler)
  18  */
  19 struct iio_event_data {
  20         int     id;
  21         s64     timestamp;
  22 };
  23
  24 #define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int)
  25 #endif