On Sun, Feb 4, 2018 at 7:58 PM, Steven Presser <steve@xxxxxxxxxxxxx> wrote: > I had a chance to sit back down with the machine. I didn't take it all the > way apart - there are pieces that I'm afraid of breaking without directions > on how to properly disassemble them. No need I think to go so-o deep. > However, I did recover an exact chip ID - the chips in use are BMA255s [1]. > Rather than take the machine apart (and because the chips are 2mmx2mm), I > queried the chip over SMBus. On page 50 of the below document, you can see > that register 0x00 is a read-only chip ID. This chipID is unique per Bosch > product. So, using SMBus, I asked the chip for it's chip ID (0xFA, in this > case) and then searched likely products until I found the matching chipID. Thanks! > Does this suffice to settle which chips are in use? If not, I can finish > taking the machine apart, I'd just prefer to avoid the risk of breaking > something. I think it's pretty much enough. > As soon as I finish screwing everything back together, I'll grab the other > software IDs asked for and build the branch referenced elsewhere. I'm just waiting for your Tested-by in case my patch series works as expected before I send it out. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
