AD1888 AC97 codec

Antoine Brodin antoine.brodin at
Tue Mar 22 08:55:32 PST 2005

David Cross <crossd at> wrote:
> I am having some trouble with a machine with an AD1888 AC97 codec.
> Searching the list I see that all I need to do is to move the speaker
> connection from speaker to microphone.  It works.. but windows
> actually has the sound come out the designated speaker.  Now as much
> as I don't use windows on this machine it seems to indicate that we
> are in fact doing something wrong.  
> Does anyone have a suggestion on what should be done?  I've been
> looking at the AC97 drivers and it looks pretty simple, is all that is
> missing  are references for the AD1888?

You can try to add this line to the ac97codecid array in ac97.c:

{ 0x41445368, 0x00, 0, "AD1888", ad198x_patch},

(I've looked at the NetBSD code and it uses the same patch for AD1888,
AD1980 and AD1985)



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