MENELAUS_MCT_CTRL2
ret = menelaus_read_reg(MENELAUS_MCT_CTRL2);
ret = menelaus_write_reg(MENELAUS_MCT_CTRL2, val);
b = menelaus_read_reg(MENELAUS_MCT_CTRL2);
ret = menelaus_write_reg(MENELAUS_MCT_CTRL2, b);