linux/drivers/staging/iio/iio_core.h

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/* The industrial I/O core function defs.
*
* Copyright (c) 2008 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.
*
* These definitions are meant for use only within the IIO core, not indvidual
* drivers.
*/
/**
* iio_device_get_chrdev_minor() - get an unused minor number
**/
int iio_device_get_chrdev_minor(void);
void iio_device_free_chrdev_minor(int val);
/**
* iio_put() - internal module reference count reduce
**/
void iio_put(void);
/**
* iio_get() - internal module reference count increase
**/
void iio_get(void);
extern dev_t iio_devt;
int __iio_add_chan_devattr(const char *postfix,
const char *group,
struct iio_chan_spec const *chan,
ssize_t (*func)(struct device *dev,
struct device_attribute *attr,
char *buf),
ssize_t (*writefunc)(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len),
int mask,
bool generic,
struct device *dev,
struct list_head *attr_list);
/* Event interface flags */
#define IIO_BUSY_BIT_POS 1