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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2018 Axentia Technologies AB
*/
#ifndef __IIO_RESCALE_H__
#define __IIO_RESCALE_H__
#include <linux/types.h>
#include <linux/iio/iio.h>
struct device;
struct rescale;
struct rescale_cfg {
enum iio_chan_type type;
int (*props)(struct device *dev, struct rescale *rescale);
};
struct rescale {
const struct rescale_cfg *cfg;
struct iio_channel *source;
struct iio_chan_spec chan;
struct iio_chan_spec_ext_info *ext_info;
bool chan_processed;
s32 numerator;
s32 denominator;
s32 offset;
};
int rescale_process_scale(struct rescale *rescale, int scale_type,
int *val, int *val2);
int rescale_process_offset(struct rescale *rescale, int scale_type,
int scale, int scale2, int schan_off,
int *val, int *val2);
#endif /* __IIO_RESCALE_H__ */
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