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input: Documentation: corrections for notifier.rst

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Add 'ledstate' to the keyboard_notifier_param struct info and tell
which header file contains that struct.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/20210302223523.20130-7-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Randy Dunlap 2021-03-02 14:35:21 -08:00 committed by Jonathan Corbet
parent 338b660bff
commit 365c6a3e0f
1 changed files with 2 additions and 1 deletions
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Documentation/input/notifier.rst
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@ -4,11 +4,12 @@ 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
keyboard_notifier_param:
keyboard_notifier_param (see <linux/keyboard.h>):
- 'vc' always provide the VC for which the keyboard event applies;
- 'down' is 1 for a key press event, 0 for a key release;
- 'shift' is the current modifier state, mask bit indexes are KG_*;
- 'ledstate' is the current LED state;
- 'value' depends on the type of event.
- KBD_KEYCODE events are always sent before other events, value is the keycode.