diff options
Diffstat (limited to 'drivers/video/fbdev/core/fb_notify.c')
| -rw-r--r-- | drivers/video/fbdev/core/fb_notify.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/video/fbdev/core/fb_notify.c b/drivers/video/fbdev/core/fb_notify.c index 74c2da528884..10e3b9a74adc 100644 --- a/drivers/video/fbdev/core/fb_notify.c +++ b/drivers/video/fbdev/core/fb_notify.c @@ -19,6 +19,8 @@ static BLOCKING_NOTIFIER_HEAD(fb_notifier_list); /** * fb_register_client - register a client notifier * @nb: notifier block to callback on events + * + * Return: 0 on success, negative error code on failure. */ int fb_register_client(struct notifier_block *nb) { @@ -29,6 +31,8 @@ EXPORT_SYMBOL(fb_register_client); /** * fb_unregister_client - unregister a client notifier * @nb: notifier block to callback on events + * + * Return: 0 on success, negative error code on failure. */ int fb_unregister_client(struct notifier_block *nb) { @@ -38,7 +42,10 @@ EXPORT_SYMBOL(fb_unregister_client); /** * fb_notifier_call_chain - notify clients of fb_events + * @val: value passed to callback + * @v: pointer passed to callback * + * Return: The return value of the last notifier function */ int fb_notifier_call_chain(unsigned long val, void *v) { |