Problem of new SD8686 chip from USI

[Dan Williams]

On Thu, 2010-03-25 at 21:16 +0800, Ivan Li wrote:
> Hi guys,
> 
> We use USI WM-G-MR-9 for a long time and it works very well.
> We use Linux 2.6.26, and with libertas changes from Linux 2.6.28.
> 
> Several days ago we were informed that WM-G-MR-9 was replaced by WM-G-MR-9-Ref-2.
> From USI we got 2 samples, unfortunately, we got a bad result.
> 
> 1. We get less APs from scan result. (With WM-G-MR-9 we can get 3 APs but now we can get only one)
> 2. The signal strength libertas reports is less than before. (i.e. WM-G-MR-9 reports 95~99, but WM-G-MR-9-Ref-2 reports about 80).
> 
> Does anybody have same problem with me?

Could be calibration issues perhaps?  Any idea what's different about
the new chip than the old one?  There has to be some reason they rev-ed
the silicon :)

Also, does the new one use different firmware than the old one?

Dan