74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
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/*
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* sec_notifier.c - samsung common functions
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*
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* Copyright (C) 2020 Samsung Electronics
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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 as
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* published by the Free Software Foundation.
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*
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*/
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//#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/input.h>
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static BLOCKING_NOTIFIER_HEAD(sec_input_notifier_list);
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/*
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* sec_input_register_notify
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* @nb: pointer of blocking notifier chain structure
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* @notifier_fn_t: register notifier callback function
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*
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* register universal notifier for any development issue.
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* ex) folder open/close, seucre touch enable/disable ...
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*/
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void sec_input_register_notify(struct notifier_block *nb, notifier_fn_t notifier_call, int priority)
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{
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nb->notifier_call = notifier_call;
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nb->priority = priority;
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blocking_notifier_chain_register(&sec_input_notifier_list, nb);
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}
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EXPORT_SYMBOL(sec_input_register_notify);
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/*
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* sec_input_unregister_notify
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* @nb: pointer of blocking notifier chain structure
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*
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* unregister notifier
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*/
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void sec_input_unregister_notify(struct notifier_block *nb)
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{
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blocking_notifier_chain_unregister(&sec_input_notifier_list, nb);
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}
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EXPORT_SYMBOL(sec_input_unregister_notify);
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/*
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* sec_input_notify
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* @nb: pointer of blocking notifier chain structure
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* data: notifier type is defined in sec_input.h(enum sec_input_notify_t)
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* v: structure data
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*
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* notifier call function
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*/
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int sec_input_notify(struct notifier_block *nb, unsigned long noti, void *v)
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{
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return blocking_notifier_call_chain(&sec_input_notifier_list, noti, v);
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}
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EXPORT_SYMBOL(sec_input_notify);
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/*
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* sec_input_self_request_notify
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* @nb: pointer of blocking notifier chain structure
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*
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* only test
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*/
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int sec_input_self_request_notify(struct notifier_block *nb)
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{
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return nb->notifier_call(nb, 0, NULL);
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}
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EXPORT_SYMBOL(sec_input_self_request_notify);
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MODULE_DESCRIPTION("Samsung input notifier");
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MODULE_LICENSE("GPL");
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