FFADO offers its users the option to inform us of the device(s) they use. We like this information since it gives us some more weight when talking to device manufacturers.
For people the cannot or prefer not to use the automatic registration, it can be performed manually on this registration page.
We have a few views on this information:
There are 3524 registered users on the website. (since: Apr 06, 2007)
There are 8644 unique registered devices in the database. (since: Apr 28, 2008)
The Linux market seems to be divided among 65 vendors.