diff --git a/include/linux/panel_notifier.h b/include/linux/panel_notifier.h new file mode 100644 index 000000000000..2905be449d13 --- /dev/null +++ b/include/linux/panel_notifier.h @@ -0,0 +1,49 @@ +/* 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 + +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 +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