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SubjectRe: Multiple sound cards?
From
Date
> From wakko@animx.eu.org  Mon Oct 23 17:18:13 2000
>
> > > > where can I look to find what hardware to look for/avoid?
> > >
> > > The es1371's are especially rock solid stable. If you have PCI and its
> > > supported, you are ok I think...
> >
> > I have two es1371's and 2.2.16 (from RedHat 7.0) finds them fine:
> >
> > es1371: version v0.22 time 16:53:18 Aug 22 2000
> > es1371: found chip, vendor id 0x1274 device id 0x5880 revision 0x02
> > es1371: found es1371 rev 2 at io 0xd400 irq 10
> > es1371: features: joystick 0x0
> > es1371: codec vendor v (0x838476) revision 9 (0x09)
> > es1371: codec features 18bit DAC 18bit ADC
> > es1371: stereo enhancement: SigmaTel SS3D
> > es1371: found chip, vendor id 0x1274 device id 0x1371 revision 0x08
> > es1371: found es1371 rev 8 at io 0xd000 irq 9
> > es1371: features: joystick 0x0
> > es1371: codec vendor v (0x838476) revision 9 (0x09)
> > es1371: codec features 18bit DAC 18bit ADC
> > es1371: stereo enhancement: SigmaTel SS3D
> >
> > Documentation/sound/Introduction even has a section "Multiple Sound
> > Cards", but a simple copy of the driver and adding
> >
> > alias sound-slot-1 es1371-2nd
>
> Don't do this.
>
> I have an es1370 (1 card)
> # es1370 card
> alias sound-slot-0 es1370
> alias sound-slot-1 es1370

Quite correct, as Juan Magallon also pointed out.

> sound-slot-1 is used by /dev/dsp1 (the card, like yours, has 2 dsps)
>
> What you should do is add sound-slot-2 and 3 in there with the same module
...
> Just remember,
> /dev/dsp and /dev/dsp1 are the dsps of your first found card,
> /dev/dsp2 and /dev/dsp3 are the dsps of your second found card.

Now this I wouldn't have guessed from everything else I've read.

# mknod /dev/dsp2 c 14 35
# mknod /dev/dsp3 c 14 51
# dd if=/dev/dsp2 | od -i

works as expected.

Very many thanks.



Tony Robinson

--
http://www.softsound.com
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