Input: introduce input_inject_event() function

[mv-sheeva.git] / drivers / input / input.c

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 7aeebb9071c2e95a5c98743c1269423cde367cbe..e20913942927446ef857c238c7709837ffcfb02e 100644 (file)
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -35,6 +35,16 @@ static LIST_HEAD(input_handler_list);
 
 static struct input_handler *input_table[8];
 
+/**
+ * input_event() - report new input event
+ * @handle: 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
+ * See also input_inject_event()
+ */
 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
        struct input_handle *handle;
@@ -183,6 +193,23 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
 }
 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)
+{
+       if (!handle->dev->grab || handle->dev->grab == handle)
+               input_event(handle->dev, type, code, value);
+}
+EXPORT_SYMBOL(input_inject_event);
+
 static void input_repeat_key(unsigned long data)
 {
        struct input_dev *dev = (void *) data;