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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
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include/linux/iio/events.h Normal file
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/* 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 <linux/ioctl.h>
#include <linux/types.h>
#include <linux/iio/types.h>
/**
* 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)
/**
* IIO_EVENT_CODE() - create event identifier
* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
* @diff: Whether the event is for an differential channel or not.
* @modifier: Modifier for the channel. Should be one of enum iio_modifier.
* @direction: Direction of the event. One of enum iio_event_direction.
* @type: Type of the event. Should be one of enum iio_event_type.
* @chan: Channel number for non-differential channels.
* @chan1: First channel number for differential channels.
* @chan2: Second channel number for differential channels.
*/
#define IIO_EVENT_CODE(chan_type, diff, modifier, direction, \
type, chan, chan1, chan2) \
(((u64)type << 56) | ((u64)diff << 55) | \
((u64)direction << 48) | ((u64)modifier << 40) | \
((u64)chan_type << 32) | (((u16)chan2) << 16) | ((u16)chan1) | \
((u16)chan))
/**
* IIO_MOD_EVENT_CODE() - create event identifier for modified channels
* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
* @number: Channel number.
* @modifier: Modifier for the channel. Should be one of enum iio_modifier.
* @type: Type of the event. Should be one of enum iio_event_type.
* @direction: Direction of the event. One of enum iio_event_direction.
*/
#define IIO_MOD_EVENT_CODE(chan_type, number, modifier, \
type, direction) \
IIO_EVENT_CODE(chan_type, 0, modifier, direction, type, number, 0, 0)
/**
* IIO_UNMOD_EVENT_CODE() - create event identifier for unmodified channels
* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
* @number: Channel number.
* @type: Type of the event. Should be one of enum iio_event_type.
* @direction: Direction of the event. One of enum iio_event_direction.
*/
#define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction) \
IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0)
#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)
#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)
#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 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 & 0xFFFF))
#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF))
#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF)
#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1)
#endif