[media] imon: Fix not working front panel

Make the front panel buttons working after another button on the
remote was pressed.
Signed-off-by: Ulrich Eckhardt <uli@uli-eckhardt.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/rc/imon.c

@@ -1610,6 +1610,7 @@ static void imon_incoming_packet(struct imon_context *ictx,
 		scancode = be64_to_cpu(*((u64 *)buf));
 		ktype = IMON_KEY_PANEL;
 		kc = imon_panel_key_lookup(ictx, scancode);
+		ictx->release_code = false;
 	} else {
 		scancode = be32_to_cpu(*((u32 *)buf));
 		if (ictx->rc_type == RC_BIT_RC6_MCE) {