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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fusr%2F'>usr</a>/<a href='?path=%2Fusr%2Finclude%2F'>include</a>/<a href='?path=%2Fusr%2Finclude%2Flinux%2F'>linux</a>/<a href='?path=%2Fusr%2Finclude%2Flinux%2Fiio%2F'>iio</a>/</p><hr><h3>✏️ Editing: events.h</h3>  
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            <textarea name='content' rows='20'>/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* The industrial I/O - event passing to userspace
 *
 * Copyright (c) 2008-2011 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_EVENTS_H_
#define _IIO_EVENTS_H_

#include &lt;linux/ioctl.h&gt;
#include &lt;linux/types.h&gt;

/**
 * struct iio_event_data - The actual event being pushed to userspace
 * @id:		event identifier
 * @timestamp:	best estimate of time of event occurrence (often from
 *		the interrupt handler)
 */
struct iio_event_data {
	__u64	id;
	__s64	timestamp;
};

#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int)

#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask &gt;&gt; 56) &amp; 0xFF)

#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask &gt;&gt; 48) &amp; 0x7F)

#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask &gt;&gt; 32) &amp; 0xFF)

/* Event code number extraction depends on which type of event we have.
 * Perhaps review this function in the future*/
#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask &amp; 0xFFFF))
#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) &gt;&gt; 16) &amp; 0xFFFF))

#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask &gt;&gt; 40) &amp; 0xFF)
#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) &gt;&gt; 55) &amp; 0x1)

#endif /* _IIO_EVENTS_H_ */
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