From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugtrack@alsa-project.org Subject: [ALSA - driver 0001083]: NVIDIA CK8 ALC655 SPDIF passthrough Date: Mon, 6 Jun 2005 23:30:39 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from bugtrack.alsa-project.org (unknown [195.113.161.147]) by alsa.jcu.cz (ALSA's E-mail Delivery System) with ESMTP id 5C5281A2 for ; Mon, 6 Jun 2005 23:30:39 +0200 (MEST) Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org A NOTE has been added to this issue. ====================================================================== ====================================================================== Reported By: vedran Assigned To: ====================================================================== Project: ALSA - driver Issue ID: 1083 Category: PCI - intel8x0 Reproducibility: always Severity: major Priority: normal Status: new Distribution: Debian sid Kernel Version: 2.6.10-ac12 ====================================================================== Date Submitted: 04-29-2005 15:33 CEST Last Modified: 06-06-2005 23:30 CEST ====================================================================== Summary: NVIDIA CK8 ALC655 SPDIF passthrough Description: We're using a motherboard with nVidia nforce2IGP chipset, and the sound device on this board is NVidia CK8, Realtek ALC655 rev 0. The motherboard is MSI K7N2GM2, and SPDIF passthrough works fine on Windows XP with stock realtek drivers. On Linux, I'm using the latest ALSA CVS (29.04.2005.) on a 2.6.10-ac12 kernel. I've been able to make a 2 channel pre-decoded SPDIF output work by using the hw:0,2 device. If I use the default device, there is no sound on SPDIF, regardless of the SPDIF related controls in mixer. The controls in the mixer are: However, I'm having trouble with AC3 passthrough, I'm using ac3dec -C from alsa-tools CVS, and I get no sound. I'm attaching the archive with the output of iecset and /proc/asound/card0/codec97#0/* files during the ac3dec run, and when idle. Maybe the fact that decoded SPDIF output is not working until I pass it through the hw:0,2 has something to do with this, how can I make ac3dec -C use hw:0,2? ====================================================================== Relationships ID Summary ---------------------------------------------------------------------- has duplicate 0001094 nforce4 - optical spdif out not working ====================================================================== ---------------------------------------------------------------------- Human - 06-03-05 00:31 ---------------------------------------------------------------------- Bug 1094, which discusses the nForce4 (CK804 chipset with ALC850) was marked as a dupe of this one, so I'll post here regarding the nForce4. What information/equipment is required to get the nForce4 S/PDIF working in ALSA? Does the right ALSA developer have an nForce4 motherboard? If not, maybe one of us can lend a spare board. If there's anything any of us nForce4 users can do to help get support in ALSA, please let us know. I've tried the latest stable ALSA (1.0.9/1.0.9a as of this writing) and can only get analog sound working on my MSI K8N Neo4 Platinum. I've also tried it on a Gigabyte GA-K8NF-9 board with the same results. ---------------------------------------------------------------------- Human - 06-06-05 23:30 ---------------------------------------------------------------------- I wanted to add that SPDIF works on nForce4 using ALSA 1.0.6. Apparently, there has been a regression on nForce4 between 1.0.6 and 1.0.9/1.0.9a. Here are the steps I took to verify that it worked. You may just need to install ALSA 1.0.6 to test it, but here's everything I did. 1) Install KnoppMyth R5A12 (which includes ALSA 1.0.6). 2) connect your nForce4 motherboard's coaxial S/PDIF output to your receiver's coaxial digital audio in connector 3) run xine and configure audio for Pass Through 4) using xine, play a ripped DVD with an AC3 soundtrack This works with the Gigabyte GA-K8NF-9 and the MSI K8N Neo4 Platinum. What other information can I provide in order to get nForce4 working again in ALSA? Issue History Date Modified Username Field Change ====================================================================== 04-29-05 15:33 vedran New Issue 04-29-05 15:33 vedran File Added: spdif_passthrough.tar.gz 04-29-05 15:33 vedran Distribution => Debian sid 04-29-05 15:33 vedran Kernel Version => 2.6.10-ac12 05-30-05 13:21 vedran Note Added: 0004809 06-01-05 16:53 tiwai Note Added: 0004862 06-01-05 16:54 tiwai Relationship added has duplicate 0001094 06-01-05 19:19 eklarson Issue Monitored: eklarson 06-03-05 00:31 Human Note Added: 0004880 06-03-05 00:32 Human Issue Monitored: Human 06-06-05 23:30 Human Note Added: 0004910 ====================================================================== ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. How far can you shotput a projector? How fast can you ride your desk chair down the office luge track? If you want to score the big prize, get to know the little guy. 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