cb4493d8b8
When tap or swipe in a dedicated region, tp driver will notify the subsystem/driver who has registered. And this feature is not enabled by default; write the sysfs node to enable it by demand. Change-Id: Ie6312e8a0680b0abb9fed9a647bc9cee36985286 Signed-off-by: Rick Huang <rhuang@codeaurora.org> Signed-off-by: Fei Mao <feim1@codeaurora.org>
34 lines
867 B
C
34 lines
867 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2019, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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*/
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#ifndef _TOUCHEVENTNOTIFY_H
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#define _TOUCHEVENTNOTIFY_H
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struct touch_event {
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struct timeval time;
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int x;
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int y;
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int fid; /* Finger ID */
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char type; /* 'D' - Down, 'M' - Move, 'U' - Up, */
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};
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#define EVENT_TYPE_DOWN 'D'
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#define EVENT_TYPE_MOVE 'M'
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#define EVENT_TYPE_UP 'U'
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/* caller API */
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int touch_event_register_notifier(struct notifier_block *nb);
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int touch_event_unregister_notifier(struct notifier_block *nb);
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/* callee API */
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void touch_event_call_notifier(unsigned long action, void *data);
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#endif
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