> > > VT1724 has seperate DMAs for the analog and the SPDIF streams while
> > > ICE1712 has only one for both (mixed up).
> > >
> > > Confusingly the analog PCM is named "professional" there because it
> > > was called so in ice1712 driver, and vt1724 driver is derived from
> > > ice1712 driver. ICE1712 has two analog connections modes, consumer
> > > mode (usually via ac97) and professional mode (via i2s).
> > >
> >
> >
> > Uff, that is a lot of background knowledge. Would it be possible to
> > put this explanation into ice1724.c code? It would definitely help
> > newcomers. Thanks a lot.
>
> A patch is welcome ;)
>
I know, not exactly creative :) :
diff -r 42321871a7dc pci/ice1712/ice1724.c
--- a/pci/ice1712/ice1724.c Thu Apr 05 17:08:57 2007 +0200
+++ b/pci/ice1712/ice1724.c Fri Apr 06 22:59:33 2007 +0200
@@ -2345,6 +2345,14 @@ static int __devinit snd_vt1724_probe(st
}
c = &no_matched;
__found:
+ /*
+ * VT1724 has separate DMAs for the analog and the SPDIF streams while
+ * ICE1712 has only one for both (mixed up).
+ *
+ * Confusingly the analog PCM is named "professional" here because it
+ * was called so in ice1712 driver, and vt1724 driver is derived from
+ * ice1712 driver.
+ */
if ((err = snd_vt1724_pcm_profi(ice, pcm_dev++)) < 0) {
snd_card_free(card);
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