Current File : //usr/lib/modules/6.8.0-41-generic/build/include/linux/iio/driver.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Industrial I/O in kernel access map interface.
*
* Copyright (c) 2011 Jonathan Cameron
*/
#ifndef _IIO_INKERN_H_
#define _IIO_INKERN_H_
struct device;
struct iio_dev;
struct iio_map;
/**
* iio_map_array_register() - tell the core about inkernel consumers
* @indio_dev: provider device
* @map: array of mappings specifying association of channel with client
*/
int iio_map_array_register(struct iio_dev *indio_dev,
struct iio_map *map);
/**
* iio_map_array_unregister() - tell the core to remove consumer mappings for
* the given provider device
* @indio_dev: provider device
*/
int iio_map_array_unregister(struct iio_dev *indio_dev);
/**
* devm_iio_map_array_register - device-managed version of iio_map_array_register
* @dev: Device object to which to bind the unwinding of this registration
* @indio_dev: Pointer to the iio_dev structure
* @maps: Pointer to an IIO map object which is to be registered to this IIO device
*
* This function will call iio_map_array_register() to register an IIO map object
* and will also hook a callback to the iio_map_array_unregister() function to
* handle de-registration of the IIO map object when the device's refcount goes to
* zero.
*/
int devm_iio_map_array_register(struct device *dev, struct iio_dev *indio_dev, struct iio_map *maps);
#endif
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