37 lines
841 B
C
37 lines
841 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2020 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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#include <linux/device.h>
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/uaccess.h>
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#include "ebc_dev.h"
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static BLOCKING_NOTIFIER_HEAD(ebc_notifier_list);
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int ebc_register_notifier(struct notifier_block *nb)
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{
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int ret = 0;
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ret = blocking_notifier_chain_register(&ebc_notifier_list, nb);
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return ret;
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}
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EXPORT_SYMBOL(ebc_register_notifier);
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int ebc_unregister_notifier(struct notifier_block *nb)
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{
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return blocking_notifier_chain_unregister(&ebc_notifier_list, nb);
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}
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EXPORT_SYMBOL(ebc_unregister_notifier);
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int ebc_notify(unsigned long event)
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{
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return blocking_notifier_call_chain(&ebc_notifier_list, event, NULL);
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}
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