58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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/*
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* Copyright (c) 2020, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _SB_NOTIFICATION_H
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#define _SB_NOTIFICATION_H
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/* Indicates a system wake up event */
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#define EVENT_REQUEST_WAKE_UP 0x01
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#ifdef CONFIG_QTI_NOTIFY_SIDEBAND
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/**
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* sb_register_evt_listener - registers a notifier callback
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* @nb: pointer to the notifier block for the callback events
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*/
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int sb_register_evt_listener(struct notifier_block *nb);
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/**
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* sb_unregister_evt_listener - un-registers a notifier callback
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* registered previously.
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* @nb: pointer to the notifier block for the callback events
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*/
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int sb_unregister_evt_listener(struct notifier_block *nb);
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/**
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* sb_notifier_call_chain - send events to all registered listeners
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* as received from publishers.
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* @nb: pointer to the notifier block for the callback events
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*/
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int sb_notifier_call_chain(unsigned long val, void *v);
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#else
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static inline int sb_register_evt_listener(struct notifier_block *nb)
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{
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return -EINVAL;
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}
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static inline int sb_unregister_evt_listener(struct notifier_block *nb)
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{
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return -EINVAL;
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}
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static inline int sb_notifier_call_chain(unsigned long val, void *v)
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{
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return -EINVAL;
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}
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#endif /* !CONFIG_QTI_NOTIFY_SIDEBAND */
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#endif /* _SB_NOTIFICATION_H */
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