A_MC5_INT_ENABLE
t1_write_reg_4(mc5->adapter, A_MC5_INT_ENABLE, mask);
t1_write_reg_4(mc5->adapter, A_MC5_INT_ENABLE,
t1_write_reg_4(mc5->adapter, A_MC5_INT_ENABLE, 0);
t1_write_reg_4(mc5->adapter, A_MC5_INT_ENABLE, 0);