1 files changed, 5 insertions, 0 deletions

diff --git a/uisimulator/x11/lcd-x11.c b/uisimulator/x11/lcd-x11.c
index 3ea09c3661..8d58dcbb17 100644
--- a/uisimulator/x11/lcd-x11.c
+++ b/uisimulator/x11/lcd-x11.c
@@ -114,3 +114,8 @@ void backlight_on(void)
 {
   /* we could do something better here! */
 }
+
+void backlight_time(int dummy)
+{
+    (void)dummy;
+}