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From: "Iain Barker" <>
Subject: RE: possible GPL violation by Sigma Designs EM8500 customers
Date: Sat, 29 Nov 2003 10:02:54 -0500	[thread overview]
Message-ID: <> (raw)

>From: Benjamin Herrenschmidt <>
>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.

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 

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:

LVD-1001/2001/2002 DVD player

Bravo-D1 DVD Player

DP-450, DP-500  DVD player

NeuNeo DVD player

108   DVD player

8882  DVD player

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:

Cosmic Digital
Link Concept
Shenzhen Skywood

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.


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             reply	other threads:[~2003-11-29 15:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-29 15:02 Iain Barker [this message]
2003-11-30 11:59 ` possible GPL violation by Sigma Designs EM8500 customers Jan-Frode Myklebust
2003-11-30 14:16   ` Dr. David Alan Gilbert

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