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/* Copyright (c) 2016, Motorola Mobility, LLC.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __PANEL_NOTIFIER_H__
#define __PANEL_NOTIFIER_H__
#include <linux/notifier.h>
enum panel_event {
PANEL_EVENT_PRE_DISPLAY_OFF,
PANEL_EVENT_PRE_DISPLAY_ON,
PANEL_EVENT_DISPLAY_OFF,
PANEL_EVENT_DISPLAY_ON,
};
#ifdef CONFIG_PANEL_NOTIFICATIONS
int panel_register_notifier(struct notifier_block *nb);
int panel_unregister_notifier(struct notifier_block *nb);
int panel_notify(unsigned int event, void *data);
#else
#include <linux/errno.h>
static inline int panel_register_notifier(struct notifier_block *nb)
{
return -ENOSYS;
}
static inline int panel_unregister_notifier(struct notifier_block *nb)
{
return -ENOSYS;
}
static inline int panel_notify(unsigned int event, void *data)
{
return -ENOSYS;
}
#endif
#endif
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