| /* |
| * linux/drivers/video/fbdev/exynos/panel/panel_notify.h |
| * |
| * Header file for Samsung Common LCD Driver. |
| * |
| * Copyright (c) 2018 Samsung Electronics |
| * Gwanghui Lee <gwanghui.lee@samsung.com> |
| * |
| * 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 __PANEL_NOTIFY_H__ |
| #define __PANEL_NOTIFY_H__ |
| |
| enum panel_notifier_event_t { |
| PANEL_EVENT_LCD_CHANGED, |
| PANEL_EVENT_BL_CHANGED, |
| }; |
| |
| struct panel_bl_event_data { |
| int brightness; |
| int aor_ratio; |
| }; |
| |
| #ifdef CONFIG_PANEL_NOTIFY |
| extern int panel_notifier_register(struct notifier_block *nb); |
| extern int panel_notifier_unregister(struct notifier_block *nb); |
| extern int panel_notifier_call_chain(unsigned long val, void *v); |
| #else |
| static inline int panel_notifier_register(struct notifier_block *nb) |
| { |
| return 0; |
| }; |
| |
| static inline int panel_notifier_unregister(struct notifier_block *nb) |
| { |
| return 0; |
| }; |
| |
| static inline int panel_notifier_call_chain(unsigned long val, void *v) |
| { |
| return 0; |
| }; |
| #endif /* CONFIG_PANEL_NOTIFY */ |
| #endif /* __PANEL_NOTIFY_H__ */ |