Hello, 

I had the exact same problem. 
Here's a question I asked on the Ubuntu but got no answer: 
http://askubuntu.com/questions/686779/video-recording-device-detected-but-cant-use-it

Now I bought another device, an Ion Video 2 PC MKII, it uses the same chip and 
it won't work with Linux. 

Here's a video were a guy compiles his own kernel and makes it work (the Ion 
Video 2 PC, not the StarTech Device)
https://www.youtube.com/watch?v=30e-N5z51vU

I tried the same thing (recompiling a new kernel) following his instructions 
without success. The sound didn't work and the only thing I got was a still 
image on VLC. Programs like guvcview and cheese didn't detect the  StarTech 
SVID2USB2. I firmly believe they use the same chip because they both use 
eb1a:5051 to identify themselves. 

Many thanks if you guys can fix it. 
Alexandre-Xavier 


________________________________________
From: linux-media-ow...@vger.kernel.org <linux-media-ow...@vger.kernel.org> on 
behalf of Devin Heitmueller <dheitmuel...@kernellabs.com>
Sent: January 6, 2016 2:21 PM
To: Schubert, Matthew R. (LARC-D319)[TEAMS2]
Cc: linux-media@vger.kernel.org
Subject: Re: em28xx driver for StarTech SVID2USB2

On Wed, Jan 6, 2016 at 1:27 PM, Schubert, Matthew R.
(LARC-D319)[TEAMS2] <matthew.r.schub...@nasa.gov> wrote:
> Hello,
>
> We are attempting to use a StarTech Video Capture cable (Part# SVID2USB2) 
> with our CentOS 6.7 machine with no success. The em28xx driver seems to load 
> but cannot properly ID the capture cable. Below are the outputs from "dmesg" 
> and "lsusb -v" run after plugging in the device. Any advice is appreciated.

Try adding "card=9" to the modprobe option.  If that doesn't work than
try "card=29".  Most of those really cheap devices either have an
saa7113 or tvp5150 video decoder, and one of those two board profiles
should work.

Devin

--
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com
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