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SubjectRE: possible GPL violation by Sigma Designs EM8500 customers
Date

>From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>
>Just to make things clear, you should change the title of your emails
>here to "possible GPL violation by Liteon". AFAIK, Sigma isn't involved
>in the violation, they almost certainly provided a source code kernel
>for their chipset to Liteon.
>
>Ben.

Thanks Ben,

I've modified the title of this thread to indicate it is the chipset
customers who are directly at fault. However it seems that every
manufacturer using the Sigma SDK is making the same error.

The violation seems to be common amongst a large number (all?) Sigma Designs
customers using their EM8500 chipset SDK. Liteon was the manufacturer for
the product I have, but in the original thread on LKML it refers also to
others.

Manufacturers offering binary distributions based on Linux as 'firmware' via
their support websites are the easiers to check up on. Those with no source
code included for EM8500 SDK derived products include:

Liteon http://www.liteonit.com
LVD-1001/2001/2002 DVD player

Vinc http://www.vinc.com
Bravo-D1 DVD Player

Kiss http://www.kiss-technology.com
DP-450, DP-500 DVD player

Neodigits http://www.neodigits.com
NeuNeo DVD player

Dream-X http://www.dreamsat-electronics.com
108 DVD player

Elta http://www.elta.de
8882 DVD player

RiMax http://www.rimax.net
MPEG4 DVD player


The above is not a comprehensive list, just the ones currently distributing
binary-only GPL products on their support websites with no mention of Linux
or the GPL.

Other manufacturers with products using the EM8500 SDK may well do the same
within their product, including:

Woxter
Momitsu
Brainwave
Cosmic Digital
Jamo
Link Concept
Mustek
Neuston
Shenzhen Skywood
Xoro


As you can see, the violation is widespread. I don't have the time to follow
up on all of these, and in any case I am really only interested in being
able to recompile kernel for the Liteon product which I own.

But it does seem like a bigger problem as the Linux GPL license is being
broadly ignored by embedded manufacturers.

regards,
Iain

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