Added back

Added the ability to use the Up and Left buttons simultaneously to cause the cursor to move to the top left of the screen

firmware/common/ui.hpp

@@ -325,6 +325,7 @@ enum class KeyEvent {
 	Down = 2,
 	Up = 3,
 	Select = 4,
+	Back = 5, /* Left and Up together */
 };
 
 using EncoderEvent = int32_t;