diff options
Diffstat (limited to 'Documentation/input/notifier.txt')
| -rw-r--r-- | Documentation/input/notifier.txt | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/input/notifier.txt b/Documentation/input/notifier.txt index 95172ca6f3d2..161350cb865e 100644 --- a/Documentation/input/notifier.txt +++ b/Documentation/input/notifier.txt @@ -1,4 +1,6 @@ +================= Keyboard notifier +================= One can use register_keyboard_notifier to get called back on keyboard events (see kbd_keycode() function for details). The passed structure is @@ -23,9 +25,9 @@ For each kind of event but the last, the callback may return NOTIFY_STOP in order to "eat" the event: the notify loop is stopped and the keyboard event is dropped. -In a rough C snippet, we have: +In a rough C snippet, we have:: -kbd_keycode(keycode) { + kbd_keycode(keycode) { ... params.value = keycode; if (notifier_call_chain(KBD_KEYCODE,¶ms) == NOTIFY_STOP) @@ -47,6 +49,6 @@ kbd_keycode(keycode) { return; apply keysym; notifier_call_chain(KBD_POST_KEYSYM,¶ms); -} + } -NOTE: This notifier is usually called from interrupt context. +.. note:: This notifier is usually called from interrupt context. |