release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/iio/ring_hw.h

   1 /*
   2  * ring_hw.h - common functionality for iio hardware ring buffers
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 as published by
   6  * the Free Software Foundation.
   7  *
   8  * Copyright (c) 2009 Jonathan Cameron <jic23@cam.ac.uk>
   9  *
  10  */
  11
  12 /**
  13  * struct iio_hw_ring_buffer- hardware ring buffer
  14  * @buf:        generic ring buffer elements
  15  * @private:    device specific data
  16  */
  17 struct iio_hw_ring_buffer {
  18         struct iio_ring_buffer buf;
  19         void *private;
  20 };
  21
  22 #define iio_to_hw_ring_buf(r) container_of(r, struct iio_hw_ring_buffer, buf)