fb_notify.c

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/*
 *  linux/drivers/video/fb_notify.c
 *
 *  Copyright (C) 2006 Antonino Daplas <[email protected]>
 *
 *  2001 - Documented with DocBook
 *  - Brad Douglas <[email protected]>
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive
 * for more details.
 */
#include <linux/fb.h>
#include <linux/notifier.h>
#include <linux/export.h>

static BLOCKING_NOTIFIER_HEAD(fb_notifier_list);

int fb_register_client(struct notifier_block *nb)
{
    return blocking_notifier_chain_register(&fb_notifier_list, nb);
}
EXPORT_SYMBOL(fb_register_client);

int fb_unregister_client(struct notifier_block *nb)
{
    return blocking_notifier_chain_unregister(&fb_notifier_list, nb);
}
EXPORT_SYMBOL(fb_unregister_client);

int fb_notifier_call_chain(unsigned long val, void *v)
{
    return blocking_notifier_call_chain(&fb_notifier_list, val, v);
}
EXPORT_SYMBOL_GPL(fb_notifier_call_chain);