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/** * input_event() - report new input event * @dev: device that generated the event * @type: type of the event * @code: event code * @value: value of the event * * This function should be used by drivers implementing various input * 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){	unsigned long flags;	if (is_event_supported(type, dev->evbit, EV_MAX)) {		spin_lock_irqsave(&dev->event_lock, flags);		input_handle_event(dev, type, code, value);		spin_unlock_irqrestore(&dev->event_lock, flags);	}}EXPORT_SYMBOL(input_event);

/** * input_inject_event() - send input event from input handler * @handle: input handle to send event through * @type: type of the event * @code: event code * @value: value of the event * * Similar to input_event() but will ignore event if device is * "grabbed" and handle injecting event is not the one that owns * the device. */void input_inject_event(struct input_handle *handle,			unsigned int type, unsigned int code, int value){	struct input_dev *dev = handle->dev;	struct input_handle *grab;	unsigned long flags;	if (is_event_supported(type, dev->evbit, EV_MAX)) {		spin_lock_irqsave(&dev->event_lock, flags);		rcu_read_lock();		grab = rcu_dereference(dev->grab);		if (!grab || grab == handle)			input_handle_event(dev, type, code, value);		rcu_read_unlock();		spin_unlock_irqrestore(&dev->event_lock, flags);	}}EXPORT_SYMBOL(input_inject_event);

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