diff options
author | David Woodhouse <dwmw2@infradead.org> | 2006-08-30 23:30:38 +0100 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2006-08-30 23:30:38 +0100 |
commit | 0a7d5f8ce960e74fa22986bda4af488539796e49 (patch) | |
tree | e29ad17808a5c3410518e22dae8dfe94801b59f3 /drivers/video/fb_notify.c | |
parent | 0165508c80a2b5d5268d9c5dfa9b30c534a33693 (diff) | |
parent | dc709bd190c130b299ac19d596594256265c042a (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/video/fb_notify.c')
-rw-r--r-- | drivers/video/fb_notify.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/video/fb_notify.c b/drivers/video/fb_notify.c new file mode 100644 index 00000000000..8c020389e4f --- /dev/null +++ b/drivers/video/fb_notify.c @@ -0,0 +1,46 @@ +/* + * linux/drivers/video/fb_notify.c + * + * Copyright (C) 2006 Antonino Daplas <adaplas@pol.net> + * + * 2001 - Documented with DocBook + * - Brad Douglas <brad@neruo.com> + * + * 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> + +static BLOCKING_NOTIFIER_HEAD(fb_notifier_list); + +/** + * fb_register_client - register a client notifier + * @nb: notifier block to callback on events + */ +int fb_register_client(struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&fb_notifier_list, nb); +} +EXPORT_SYMBOL(fb_register_client); + +/** + * fb_unregister_client - unregister a client notifier + * @nb: notifier block to callback on events + */ +int fb_unregister_client(struct notifier_block *nb) +{ + return blocking_notifier_chain_unregister(&fb_notifier_list, nb); +} +EXPORT_SYMBOL(fb_unregister_client); + +/** + * fb_notifier_call_chain - notify clients of fb_events + * + */ +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); |