Re: [Alsa-devel] cs46xx sound quality and CD volume

[Benny Sjostrand]

Is the amplifier the IEC 958? (it now shows up in the mixer with the
new DSP code)

That's not the amplifier, that's the SPDIF input/output control. On the
Game Theater XP card the amplifier is always turned on (with the
exception when unmute the CD volume). There is no mixer
control for this.

Also it seems like every mixer element is duplicated in alsamixer, but
you probably know that.

One is for the primary AC97 codec, and the other one for the secondary
AC97 codec. The Game Theater XP got two cs4294 codecs.
That's why many mixer control are duplicated, and probably
some of them may be obsolete. Like microphone and headphone
on the secondary codecs are not wired to anything.

Also I tried the SPDIF in with this new DSP code, and it doesn't seem to
work. There is an 'Optical/Coaxial SPDIF Input' in alsamixer but I
can't change its levels, only mute it.

With that control you selects to use Coaxial digital input or Optical digital
input. Look on the back on your beutiful blue break-out box and you
will find them -;)

/Benny



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