consumer.h

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/*
 * Industrial I/O in kernel consumer interface
 *
 * Copyright (c) 2011 Jonathan Cameron
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */
#ifndef _IIO_INKERN_CONSUMER_H_
#define _IIO_INKERN_CONSUMER_H_
#include <linux/iio/types.h>

struct iio_dev;
struct iio_chan_spec;

struct iio_channel {
    struct iio_dev *indio_dev;
    const struct iio_chan_spec *channel;
};

struct iio_channel *iio_channel_get(const char *name,
                    const char *consumer_channel);

void iio_channel_release(struct iio_channel *chan);

struct iio_channel *iio_channel_get_all(const char *name);

void iio_channel_release_all(struct iio_channel *chan);

int iio_read_channel_raw(struct iio_channel *chan,
             int *val);

int iio_read_channel_processed(struct iio_channel *chan, int *val);

int iio_get_channel_type(struct iio_channel *channel,
             enum iio_chan_type *type);

int iio_read_channel_scale(struct iio_channel *chan, int *val,
               int *val2);

int iio_convert_raw_to_processed(struct iio_channel *chan, int raw,
    int *processed, unsigned int scale);

#endif