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TOMOYO Linux Cross Reference
Linux/include/linux/iio/driver.h

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  1 /* SPDX-License-Identifier: GPL-2.0-only */
  2 /*
  3  * Industrial I/O in kernel access map interface.
  4  *
  5  * Copyright (c) 2011 Jonathan Cameron
  6  */
  7 
  8 #ifndef _IIO_INKERN_H_
  9 #define _IIO_INKERN_H_
 10 
 11 struct device;
 12 struct iio_dev;
 13 struct iio_map;
 14 
 15 /**
 16  * iio_map_array_register() - tell the core about inkernel consumers
 17  * @indio_dev:  provider device
 18  * @map:        array of mappings specifying association of channel with client
 19  */
 20 int iio_map_array_register(struct iio_dev *indio_dev,
 21                            struct iio_map *map);
 22 
 23 /**
 24  * iio_map_array_unregister() - tell the core to remove consumer mappings for
 25  *                              the given provider device
 26  * @indio_dev:  provider device
 27  */
 28 int iio_map_array_unregister(struct iio_dev *indio_dev);
 29 
 30 /**
 31  * devm_iio_map_array_register - device-managed version of iio_map_array_register
 32  * @dev:        Device object to which to bind the unwinding of this registration
 33  * @indio_dev:  Pointer to the iio_dev structure
 34  * @maps:       Pointer to an IIO map object which is to be registered to this IIO device
 35  *
 36  * This function will call iio_map_array_register() to register an IIO map object
 37  * and will also hook a callback to the iio_map_array_unregister() function to
 38  * handle de-registration of the IIO map object when the device's refcount goes to
 39  * zero.
 40  */
 41 int devm_iio_map_array_register(struct device *dev, struct iio_dev *indio_dev, struct iio_map *maps);
 42 
 43 #endif
 44 

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