strange empia device

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Just bought a roxio video capture dongle. Read around that it was an
easycap clone (supported, then); it seems it's not so anymore :(

It identifies as 1b80:e31d Roxio Video Capture USB

(it also uses audio class for audio)

Now comes the funny thing. Inside there is the usual E2P memory,
a regulator or two and an empia marked EM2980 (*not* em2890!); some
passive and nothing else.

Digging around in the driver cab (emBDA.inf) shows that it seems an
em28285 driver rebranded by roxio... it installs emBDAA.sys and
emOEMA.sys (pretty big: about 1.5MB combined!); also a 16KB merlinFW.rom
(presumably a firmware for the em chip?  I tought they were fixed
function); also the usual directshow .ax filter and some exe in
autorun (emmona.exe: firmware/setup loader?).

Looking in the em28xx gave me the idea that that thing is not
supported (at least in my current 3.6.6)... however the empia sites says
(here http://www.empiatech.com/wp/video-grabber-em282xx/) 28284 should
be linux supported. Nothing said about 28285. And the chip is marked
2980?! by the way, forcing the driver to load I get this:

[ 3439.787701] em28xx: New device  Roxio Video Capture USB @ 480 Mbps (1b80:e31d, interface 0, class 0)
[ 3439.787704] em28xx: Video interface 0 found
[ 3439.787705] em28xx: DVB interface 0 found
[ 3439.787866] em28xx #0: em28xx chip ID = 146

Is there any hope to make it work (even on git kernel there is nothing
for chip id 146...)?

-- 
Lorenzo Marcantonio
Logos Srl
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