DS1337_BIT_INTCN
return ds1337_write_control(ds1307, DS1337_BIT_INTCN, 0);
ds1337_write_control(ds1307, DS1337_BIT_INTCN, DS1337_BIT_INTCN);
return !(control & DS1337_BIT_INTCN);
regs[0] |= DS1337_BIT_INTCN | chip->bbsqi_bit;