From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: ALSA 1.0.25 broke AC3 passthrough? Date: Mon, 06 Feb 2012 21:46:37 -0800 Message-ID: <4F30BABD.10504@nvidia.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from hqemgate03.nvidia.com (hqemgate03.nvidia.com [216.228.121.140]) by alsa0.perex.cz (Postfix) with ESMTP id 9430F24489 for ; Tue, 7 Feb 2012 06:46:42 +0100 (CET) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Jean-Yves Avenard Cc: ALSA Development Mailing List List-Id: alsa-devel@alsa-project.org On 02/06/2012 04:38 AM, Jean-Yves Avenard wrote: > Today, I installed 1.0.25 drivers and libraries... > AC3 passthrough is completely broken. > > My hardware: NVidia GT430, hdmi output > Device used: > hdmi:CARD=NVidia,DEV=0,AES0=6,AES1=0x82,AES2=0x00,AES3=0x01 > on Ubuntu 10.04 LTS (but using manually built alsa) Are you able to regress this to a smaller window? I did do some rework a while back on the HDA driver to support newer GeForce GPUs' audio HW better, and this potentially had impact on bitstream pass-through, although it seemed to work at the time. Commits were: 384a48d ALSA: hda: HDMI: Support codecs with fewer cvts than pins 2def817 ALSA: hda: hdmi_eld_update_pcm_info: update a stream in place 3aaf898 ALSA: hda: Separate generic and non-generic implementations 74b654c ALSA: hda: Virtualize SPDIF out controls 7c93597 ALSA: hda: Allow multple SPDIF controls per codec -- nvpublic