Hello Andy, It seems that the use of round_up() and round_down() in men_z127_debounce() is incorrect since the alignment, i.e., MEN_Z127_DB_MIN_US, is not a power of two. You may want to fix it. Regards, Nadav -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html