Comment 34 for bug 213206

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Jonathan Dukes (jonathanwex) wrote : Re: [Bug 213206] Re: SoundMAX AD1988B- no digital audio

Robert E. Walsh wrote:
> What works? which aspect?

Oops, I ommitted a quote from my comment.

> Have you tried to adjust the volume slider marked as IEC958 or IEC958
> Capture (they are the same...). This can be done from volume control
> application, just remember to choose alsa mixer. This worked for me,
> and I have Asus M2N-SLI Deluxe motherboard (which in my knowledge
> uses ADI AD1988 chip).
>
> I get sound through coaxial and optical. Oh, and I'm using latest
> hardy (2.6.24-21-generic).

The IEC958 volume slider is available with 2.6.24-21-generic but needs
to be manually set to a non-zero value. After doing this Hardy Heron
will send digital output to the onboard AD1988B controller. I've only
verified optical output.