From alsa-devel-owner@alsa.jcu.cz  Fri Nov 20 21:24:38 1998
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Date: Fri, 20 Nov 1998 21:23:52 +0100 (CET)
From: Ulf Axelsson <ulf@ore.ims.se>
To: alsa-devel@jcu.cz
Subject: Re: Hello! (Es1869)
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On Fri, 20 Nov 1998, Christian Fischbach wrote:

> I chose to write 2 modules: audiodrive1869 and es1869, because I thought
> that the es1869 is quite a fine chip and wold probabily be included in
> other soundcards, too.
> 
> My fist step was to get these modules working with the code from the 
> es1688 module. This took less than 2 hours for changing all the names and
> a few data structures to allow two DMAs. In this moment I am modifying the
> initialization process, which ist quite a bit different to the es1688.
>

This was as far as I got, although I named mine audiodrive18xx and es18xx
:-)
 
> So I thing Monday there will be a wokting version for 16 Bit full-duplex
> mode. I will implement some of the other features the es1869 has too. But
> I do not know wheather I can motivate me to implement the FM-Extension.
> Please tell me one application for Linux which uses the FM.
>

Well I don't actually know any application that uses it, it was more of a
strive (sp?) towards completeness.
 
> Perhaps someone with one of the other similar chips might test my code if
> it works there as well and if nessesary makes some modifications.
> 

The differences were rather minor. Handling of external laptop buttons was
one, and some of the chipsets had surround sound extensions I think.

> There will be one problem: PnP autoconf and detection
> In this aerea my knowledge still is verry low.
> 

There were some differences here as well.

Mvh Ulf


