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97872f0a58
Change-Id: Id475a878e770f37f9110391d8864f8fcccbd3bfa Signed-off-by: Zorro Liu <lyx@rock-chips.com>
43 lines
797 B
C
43 lines
797 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2024 Rockchip Electronics Co. Ltd.
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*
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* Author: Zorro Liu <zorro.liu@rock-chips.com>
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*/
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#ifndef __LINUX_EBC_H__
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#define __LINUX_EBC_H__
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#include <linux/notifier.h>
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/*
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* ebc status notify
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*/
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#define EBC_OFF (0)
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#define EBC_ON (1)
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#define EBC_FB_BLANK (2)
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#define EBC_FB_UNBLANK (3)
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#if IS_REACHABLE(CONFIG_ROCKCHIP_EBC_DEV)
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int ebc_register_notifier(struct notifier_block *nb);
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int ebc_unregister_notifier(struct notifier_block *nb);
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int ebc_notify(unsigned long event);
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#else
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static inline int ebc_register_notifier(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int ebc_unregister_notifier(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int ebc_notify(unsigned long event)
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{
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return 0;
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}
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#endif
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#endif
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