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author | Jeff Garzik <jeff@garzik.org> | 2006-08-03 17:20:37 -0400 |
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committer | Jeff Garzik <jeff@garzik.org> | 2006-08-03 17:20:37 -0400 |
commit | 23946a8a980d13af7b84bcf3ce023e0d166ec83f (patch) | |
tree | 193d2959a7b62b48aaf2236447f1378779e55104 /drivers/video/fb_notify.c | |
parent | 66e8bb97055ff22a0e5ea89c0a75a35f8738cc96 (diff) | |
parent | 2b14c30b46e007a16c665cc86329bf4a1d9ff6ee (diff) | |
download | linux-next-23946a8a980d13af7b84bcf3ce023e0d166ec83f.tar.gz |
Merge branch 'upstream-fixes' into upstream
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 000000000000..8c020389e4fa --- /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); |