Re: snd-hda-intel support for SPDIF-in wiht vt1708 card?

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Wow.  Thank you.  These steps built just fine, and I can play audio files  cd /usr/src  rm -rf alsa-driver  hg clone http://hg-mirror.alsa-project.org/alsa-driver alsa-driver  cd alsa-driver  hg clone http://hg-mirror.alsa-project.org/alsa-kernel alsa-kernel  ./hgcompile  make install  alsaconfig  aplay /usr/share/sounds/alsa/Front_Center.wav
I can see the following running: alsamixer -Vall ┌──┐ │OO│L└──┘RCAPTURIEC958 arecord -L shows  iec958:CARD=VT82xx,DEV=0    HDA VIA VT82xx, VT1708 Digital    IEC958 (S/PDIF) Digital Audio Output null    Discard all samples (playback) or generate zero samples (capture)
arecord -D iec958 -fDAT |aplay  ALSA lib pcm.c:2145:(snd_pcm_open_noupdate) Unknown PCM IEC958  arecord: main:546: audio open error: No such file or directory  aplay: playback:2019: read error
My obstacle is getting the proper syntax for reading from spdif, as Ihave never done it successfully.  Advice?
On Mon, 2008-01-07 at 18:40 +0000, Darryl House wrote:> Ok, here's the current state of affairs... both the compilation and driver seem to work well now, though I haven't tested SPDIF yet. I don't know why both John Stile and I were getting ioctl errors, perhaps if it is still happening to him he can elucidate, but it isn't happening to me any more with the latest build.> > I obtained and built a clean mercurial clone this morning (07 Jan 08):> > %> cd /usr/src> %> rm -rf alsa-driver> %> hg clone http://hg-mirror.alsa-project.org/alsa-driver alsa-driver> %> cd alsa-driver> %> hg clone http://hg-mirror.alsa-project.org/alsa-kernel alsa-kernel> %> hgcompile> > [...] compilation proceeds cleanly...> > %> make install> > %> alsaconf> [...] select card and configure it via alsamixer> > Lo and belold, it all worked! I have a clean compilation and good response from aplay and other user space tools.> > I haven't applied any patches, and I haven't been able to test SPDIF input yet but I'm betting John Stile should be able to report that faster than I can get to it...> > Thank you very much for your help with this and for all of the work you and the ALSA team do!> > -- Darryl> >  -------------- Original message ----------------------> From: Takashi Iwai <tiwai@xxxxxxx>> > At Wed, 02 Jan 2008 22:31:19 +0000,> > Darryl House wrote:> > > > > > > > >  -------------- Original message ----------------------> > > [...]> > > > > I'd like to get this card's spdif working.  What else can I do to help?> > > > > Although the driver loads, the user space tools can't use the card any> > > > > more.  Thank you.> > > > > > > > > Should I assume at this point no more work will be done on the> > > > snd-hda-intel driver to fixing SPDIF-in for the vt1708 sound card?> > > > Thank you for all your work so far.> > > > > > > > > > I think it is a bit early to make that assumption. There isn't a lot> > > of demand for this particular card, but it doesn't seem that it> > > will take too much work to get it going again... after all, it did> > > basically work before the last patch, and I am hoping that Takashi> > > will find some time soon to address the issues.> > > > Hm, I see no obvious error in the patch.  Are you sure that the latest> > HG driver works properly if you don't apply the patch?> > > > Let's begin with that.> > > > > > Takashi> > _______________________________________________> > Alsa-devel mailing list> > Alsa-devel@xxxxxxxxxxxxxxxx> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel> 
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