diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/input.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c index 5c16001959c..ab060710688 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -296,9 +296,15 @@ static void input_handle_event(struct input_dev *dev, * @value: value of the event * * This function should be used by drivers implementing various input - * devices. See also input_inject_event(). + * devices to report input events. See also input_inject_event(). + * + * NOTE: input_event() may be safely used right after input device was + * allocated with input_allocate_device(), even before it is registered + * with input_register_device(), but the event will not reach any of the + * input handlers. Such early invocation of input_event() may be used + * to 'seed' initial state of a switch or initial position of absolute + * axis, etc. */ - void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { |