Ok, that's good to know. So, it looks like I'll either need to encode everything to a DTS/AC3 stream in ALSA before sending via SPDIF, that should work, right? Also, this is a chip limitation, not an SPDIF limitation, right? Thanks for the support! -Nate On Tue, Apr 29, 2008 at 2:21 PM, Tellman, Steven <Steven.Tellman@xxxxxxx> wrote: > SPDIF is limited to 2 channels when using PCM. DTS/AC3 is the only way > to get multi-channel out of SPDIF. > > Unless you run ADAT, which is 8 channels uncompressed 24bit/48kHz, but > I'm not sure that's supported in Linux. > > IDT PC Audio Marketing Engineer/Linux Manager > W: (512) 330-3127 > > > -----Original Message----- > From: alsa-devel-bounces@xxxxxxxxxxxxxxxx > [mailto:alsa-devel-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Nathan Schulte > Sent: Tuesday, April 29, 2008 2:01 PM > To: Tellman, Steven > Cc: Takashi Iwai; Greg Zornetzer; alsa-devel@xxxxxxxxxxxxxxxx; Matthew > Ranostay > Subject: Re: help with idt 92hd206 codec for intel hda? > > Well, when I first installed my distro, I managed to get the spdif to > output > 2 channels. I could only get two channels, unless i sent a raw DTS or > AC3 > stream for decoding on the receiver end. > > Now, on after I reinstalled (changed from raid0 to raid5), I cannot get > any > audio whatsoever (even via analog outs). > > So there are really two separate issues now. > > 1) Getting audio to work. > 2) Getting 6+ Channel audio via spdif. > > Should I try applying these patches or should I try compiling ALSA by > hand > instead of using the distro supplied package? > > Also, after looking at the sigmatel patch for hda-intel, the 92xx chips > are > limited to two channels via spdif... On my first install, I changed the > limit, and recompiled by hand. ALSA would then tell me that 6 channels > was > ok, as opposed to throwing an error, yet I still only got two channels. > > Ideas? > > -Nate > > On Tue, Apr 29, 2008 at 1:19 PM, Tellman, Steven > <Steven.Tellman@xxxxxxx> > wrote: > > > Are you having issues with that board? The 92HD202 has the same ID as > the > > STAC9221. > > > > > > > > IDT *PC Audio* Marketing Engineer/Linux Manager > > > > W: (512) 330-3127 > > > > > > > > *From:* Nathan Schulte [mailto:reklipz@xxxxxxxxx] > > *Sent:* Tuesday, April 29, 2008 12:02 PM > > *To:* Takashi Iwai > > *Cc:* Greg Zornetzer; alsa-devel@xxxxxxxxxxxxxxxx; Tellman, Steven; > > Matthew Ranostay > > *Subject:* Re: help with idt 92hd206 codec for intel hda? > > > > > > > > I recently purchased an ECS A740GM-M Motherboard which has also an IDT > > 92HD202 integrated audio chipset. > > > > ALSA is recognizing it as a SigmaTel 9221 A2. > > > > I'm willing to test these patches as well as give any information you > guys > > might need. > > > > -Nate > > > > (sorry for any duplicate messages, I'm still trying to get hold of how > > this listing thing works...) > > > > On Tue, Apr 29, 2008 at 11:47 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: > > > > At Tue, 29 Apr 2008 17:48:53 +0200, > > > > I wrote: > > > > > > At Sun, 27 Apr 2008 01:38:19 -0500, > > > Greg Zornetzer wrote: > > > > > > > > Hi all, > > > > I recently acquired an ECS GF7100PVT-M3 motherboard, which appears > to > > use > > > > the IDT 92HD206 codec for HDA. Unfortunately, it doesn't appear > to > > have > > > > full support under ALSA. It gets detected as another Sigmatel > chip. > > Analog > > > > stereo output appears to work, but the mixer doesn't find any of > the > > normal > > > > inputs. > > > > > > > > I found the tech specs for the chip at > > > > http://www.idt.com/products/getDoc.cfm?docID=13461840 > > > > I've attached an lspci output and the codec file to this email. > I'm > > not > > > > much of an driver hacker, but if someone could give me an idea of > what > > needs > > > > to go into the patch_sigmatel.c file to make this thing work, I'd > be > > willing > > > > to try. I'm also more than willing to test out patches on my > setup. > > > > > > The below is an entirely untested patch quickly made from the codec > > > information you posted. Could you give it a try with the latest > ALSA > > > HG version? > > > > Steven informed that this codec is compatible with STAC927x. > > So the revised patch below is dramatically shorter. Try this one > > instead of the previous one. > > > > > > > > thanks, > > > > Takashi > > > > --- > > > > diff -r 19b486f73bd8 pci/hda/patch_sigmatel.c > > --- a/pci/hda/patch_sigmatel.c Fri Apr 25 14:25:04 2008 +0200 > > > > +++ b/pci/hda/patch_sigmatel.c Tue Apr 29 20:43:43 2008 +0200 > > @@ -4289,6 +4289,8 @@ > > > > { .id = 0x83847635, .name = "STAC9250D", .patch = > patch_stac925x }, > > { .id = 0x83847636, .name = "STAC9251", .patch = patch_stac925x > }, > > { .id = 0x83847637, .name = "STAC9250D", .patch = > patch_stac925x }, > > > > + { .id = 0x83847645, .name = "92HD206X", .patch = > patch_stac927x }, > > + { .id = 0x83847646, .name = "92HD206D", .patch = > patch_stac927x }, > > > > /* The following does not take into account .id=0x83847661 when > > subsys = > > * 104D0C00 which is STAC9225s. Because of this, some SZ > Notebooks > > are > > * currently not fully supported. > > _______________________________________________ > > Alsa-devel mailing list > > Alsa-devel@xxxxxxxxxxxxxxxx > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > > > > > > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@xxxxxxxxxxxxxxxx > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@xxxxxxxxxxxxxxxx > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
