Rocker switch off condition is both inputs high

Rocker switch off condition is both inputs high

Before 09441b496c6b40be151e4e655572cb37518e7225, the logic used "% 3",
which effectively converted 0b11 input to 0.  Since the mod operation
is slow and code expensive, it was removed.  Therefore the off condition
state has changed to 0b11.