On Tuesday 19 December 2006 10:59, you wrote:
> At Mon, 4 Dec 2006 17:04:34 +0100,
>
> Adrian Bunk wrote:
> > In sound/isa/cmi8330.c, the ENABLE_SB_MIXER code is currently never
> > used.
> >
> > What's the story behind this?
> > Should ENABLE_SB_MIXER be enabled?
> > Or the code be removed?
>
> CMI8330 has a dual interface for SB and Adlib modes. The mixer can
> also behave differently according to the mode. The current code has
> mixer elements corresponding to both modes.
CMI8330 (and also CMI8329) appears like SB16 and WSS
> However, these mixer elements _seem_ to interactive with each other,
> and cannot be controlled individually. That's why ENABLE_SB_MIXER is
> disabled. I cannot check this issue any longer since the test board
> got broken long time ago...
The mixer is a bit weird - and probably different between CMI8329 and CMI8330.
At least on my CMI8329A, the master volume does not work. And there are also
some problems with PCM volume - I can decrease it in alsamixer but not
increase - but it works both ways in XMMS...
I have also some boards with integrated CMI8330 - so I might test it
sometimes.
> I don't think we would get many gain by changing this old code.
> (and the relevant part isn't so big.)
> Let's keep as it is.
>
>
> Takashi
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--
Ondrej Zary
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