[alsa-devel] [Fwd: Re: Code relsease to alsa.]

Tobin Davis tdavis at dsl-only.net
Mon Jan 21 17:14:31 CET 2008

Forwarded from the good people at Linuxant.

-------- Forwarded Message --------
From: Marc Boucher <marc at linuxant.com>
To: Tobin Davis <tdavis at dsl-only.net>
Cc: Linuxant support (Jonathan) <support at linuxant.com>
Subject: Re: Code relsease to alsa.
Date: Mon, 21 Jan 2008 10:33:03 -0500


As promised here is our current tentative patch (relative to the  
current ALSA development tree in hg) for merging with ALSA.

It is also available from:


Naturally the changes are released under the GPL, so feel free to  
integrate them.

Comments and improvements are welcome.

Kind regards,


Marc Boucher
Linuxant inc.

On 19-Jan-08, at 6:40 PM, Marc Boucher wrote:

> Hi Tobin,
> We have isolated the modifications in patch form and are currently  
> working to merge them with the latest ALSA tree / submit them back  
> upstream.
> By the way, all changes and code under the modules/GPL/ directory  
> (including the hda subdirectory) of our modem driver are released  
> under the GPL, so you would be free to take these fixes if you'd like.
> However you would be also welcome to reviewing the patches that we  
> are about to submit. I will arrange to send you a copy asap (should  
> be next week).
> Kind regards, (and many thanks for your great contributions to ALSA)
> Marc
> PS: We could also try to help you getting any missing info on the  
> CX20561 or other things from Conexant...
> --
> Marc Boucher
> Linuxant inc.
> http://www.linuxant.com
> On 19-Jan-08, at 1:07 PM, Tobin Davis wrote:
>> Hello,
>> I'm the developer that put the current audio support for the  
>> Conexant HD Audio codecs in alsa.  I worked many hours on this,  
>> with testers around the world sending me feedback.  Most of the  
>> work was done prior to Conexant offering me any documentation.  I  
>> have since received documentation for both CX20549 (Venice), and  
>> CX20551 (Waikiki), but am waiting for the latest info on the new  
>> CX20561, which you apparently already have.
>> I have also seen in your mailing list that you are providing  
>> several fixes to the audio portion of my code, but only making them  
>> available to users of your code, which requires a license agreement  
>> that I believe is incompatible with the GPL.  At the least, it  
>> prohibits someone like me taking any of these fixes and putting  
>> them in the mainstream alsa, where more users would benefit from  
>> them.
>> What I'm asking, is if you could at least provide the audio  
>> modifications back upstream to alsa?  It would help out far more  
>> users (modem usage is on the decline - sorry), and you would have  
>> some benefit in that your name would be in the source as well.
>> -- 
>> Tobin Davis <tdavis at dsl-only.net>

Tobin Davis 

no maintenance:
	Impossible to fix.
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