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Date: Sun, 31 Aug 2014 16:47:40 +0200
From: =?windows-1252?Q?Frank_Sch=E4fer?= <fschaefer.oss@googlemail.com>
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To: Lorenzo Marcantonio <l.marcantonio@logossrl.com>,
	linux-media@vger.kernel.org
Subject: Re: strange empia device
References: <20140825190109.GB3372@aika.discordia.loc>
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Hi Lorenzo,

Am 25.08.2014 um 21:01 schrieb Lorenzo Marcantonio:
> 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...)?
>

See http://www.spinics.net/lists/linux-media/msg73699.html

HTH,
Frank