input: Add ANSI 3.64 escape sequence generation.
To support Non-ASCII keys (ex, Fn, PgUp/Dn, arrow keys, ...), we need to
translate key code into escape sequence.
(Updated by sjg@chromium.org to move away from a function to store
keycodes, so we can easily record how many were sent. We now need to
return this from input_send_keycodes() so we know whether keys were
generated.)
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/include/input.h b/include/input.h
index 0f4acb2..e90bb0b 100644
--- a/include/input.h
+++ b/include/input.h
@@ -84,6 +84,8 @@
* @param config Input state
* @param keycode List of key codes to examine
* @param num_keycodes Number of key codes
+ * @return number of ascii characters sent, or 0 if none, or -1 for an
+ * internal error
*/
int input_send_keycodes(struct input_config *config, int keycode[], int count);