Help tracking down chipset manufacturer for Kingsun KS-959 USB IrDA dongle

Sorry if this is not the correct forum for this particular question, but 
here it goes:

I am currently trying to get documentation on the protocol format for 
the Kingsun KS-959 USB IrDA (07d0:4959) dongle. This dongle is 
non-standard in many ways. See this post by me to see what I mean:

http://sourceforge.net/mailarchive/forum.php?thread_name=4651EDD0.4060504%40ceibo.fiec.espol.edu.ec&forum_name=irda-users

I have previously written an IrDA driver for a Kingsun/Donshine dongle, 
with help from linux-usb-devel, and it has finally been accepted for the 
2.6.22 kernel. Now I want to write the driver for this other dongle, but 
its obfuscated protocol is so strange that I have not been able (yet) to 
figure it out. So I want to locate the manufacturer of the chipset, in 
order to ask them for the documentation for the protocol. There are many 
Kingsun references on Google, but of the two selling USB devices I have 
tried so far, none have answered my emails (if they even manufacture 
this particular USB dongle). So I thought I would ask you on whether you 
have stumbled on the precise manufacturer website (if any), or whether 
you know where to find documentation on this dongle.

This blog post was made by Manuel F. Argüelles, who also has one of 
those dongles:

http://p4c0.wordpress.com/2007/02/11/usb-to-irda/

Alex Villacís Lasso

-- 
perl -e '$x=2.4;print sprintf("%.0f + %.0f = %.0f\n",$x,$x,$x+$x);'


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