MrTeal and I have developed mining hardware called Chili using BFL chips and it uses the BLF driver. The driver interface / protocol defines a command (ZTX) that allows cgminer to request three voltages from the hardware. The 3 values are typically 3.3V, 1.0V, and 12V. cgminer displays the 3.3V value on the screen but in my opinion this is the least interesting voltage value. I would prefer it to show the (nominal) 1.0V value as this directly impacts hashing speed and power. On other BFL hardware, this value is fixed at the factory, but on a Chili, it is configurable by software allowing automatic overclocking. Thus the interest in displaying this value.
Please consider this reply a formal request to change the displayed value from the 3.3V value to the 1.0V value. If you have enough screen real estate, it should show 3 digits to the right of the decimal point. Ex: 1.057V Thank you.
BTW - We have added a new field to the ZCX command to distinguish our hardware apart from BFL hardware:
"MANUFACTURER: MrTeal and ChipGeek\n"
We're not as scary as we may appear. If you push code via github to cgminer that doesn't affect other drivers, we will probably give you some basic changes we'd prefer before merging the code with cgminer, but are happy to include code with the master cgminer code if you do it that way and are happy to support it. Ideally we prefer to get the hardware ourselves so we can extend/develop/bugfix/support the code for the hardware ourselves until the hardware is no longer relevant, but if not, I'm happy to merge code from you while you personally support the code unless it interferes with other drivers or the code stops being supported as bugs appear (which they always do).