include/linux/iio/machine.h

   1 /*
   2  * Industrial I/O in kernel access map definitions for board files.
   3  *
   4  * Copyright (c) 2011 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 #ifndef __LINUX_IIO_MACHINE_H__
  12 #define __LINUX_IIO_MACHINE_H__
  13
  14 /**
  15  * struct iio_map - description of link between consumer and device channels
  16  * @adc_channel_label:  Label used to identify the channel on the provider.
  17  *                      This is matched against the datasheet_name element
  18  *                      of struct iio_chan_spec.
  19  * @consumer_dev_name:  Name to uniquely identify the consumer device.
  20  * @consumer_channel:   Unique name used to identify the channel on the
  21  *                      consumer side.
  22  * @consumer_data:      Data about the channel for use by the consumer driver.
  23  */
  24 struct iio_map {
  25         const char *adc_channel_label;
  26         const char *consumer_dev_name;
  27         const char *consumer_channel;
  28         void *consumer_data;
  29 };
  30
  31 #define IIO_MAP(_provider_channel, _consumer_dev_name, _consumer_channel) \
  32 {                                                                         \
  33         .adc_channel_label = _provider_channel,                           \
  34         .consumer_dev_name = _consumer_dev_name,                          \
  35         .consumer_channel  = _consumer_channel,                           \
  36 }
  37
  38 #endif