Re: testers for SB Extigy wanted

[mark@undertone.org]

On Fri, Oct 11, 2002 at 06:02:09PM +0200, Takashi Iwai wrote:
> > > 	% aplay -Dplughw:1,0 foo.wav
> > > 
> > > and for capture
> > > 
> > > 	% arecord -Dplughw:1,0 -fcd bar.wav
> > 
> > I'd love to do this, but:
> > 
> > atrophy:/etc/modutils# amixer -c1
> > amixer: Mixer load error: hw:1
> > atrophy:/etc/modutils# alsamixer -c1
> > 
> > alsamixer: function snd_mixer_load failed: Invalid argument
> > atrophy:/etc/modutils# 
> 
> hmm, could you run "alsactl store" and show the generated
> /etc/asound.state (only for the second card is enough)?
> at least we can see whether the controls are parsed properly.

atrophy:~# alsactl store
alsactl: get_control:194: Cannot read control '2,0,0,Digital In Playback Source,0': Invalid argument

As a result, the state file does not generate entries for the extigy.

> ah, i forgot that you're using devfs.  you need more config entry in
> devfs.conf for /dev/dsp1...  sorry, i cannot tell more, since i'm not
> a devfs expert.

That's ok, I can handle that.

> > - have the volume knob on the front of the device work 
> 
> usually such a "hardware" control is independent from the software
> stuff, so it may work regardless what driver does.

I'll tell you as soon as I can, heh. It's actually a software-based
knob however, and has no electronic "hardware" component a la
"standard" volume controls.

> > - be able to control the output detection of the unit. apparently it
> >   can tell if you have 2, 4, or 5 speakers hooked up into it. the option
> >   can certainly be automatic (testable when i unplug the card and use it
> >   as a standalone), and I'm fairly certain it can be forced as well (as
> >   evidenced in windows). When I was able to use the hardware with the 
> >   current rc release of alsa, it forced 2 speaker selection.
> 
> i think this is because only one format was parsed correctly.
> the other formats with 6 channels were not parsed by some reason.
> 
> but i'm not sure how the driver can detect the plug status...

To my knowlege, the only three states are 2, 4, and 5 speakers. This
is reflected in the driver provided by CL in windows. 

> > - the remote ir stuff is cute but not really essential -- would be nice to 
> >   have hooks to attach triggers to or something.
> 
> this will not be implemented on the usb audio driver.
> it's a role of another input-driver, and a corresponding daemon.

Yup, no problem, I'm sure I'll be able to handle that as well.

-mark


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