From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anssi Hannula Subject: Re: [PATCH v3 0/5] ALSA: hda - hdmi: ATI/AMD multi-channel and HBR support Date: Mon, 25 Nov 2013 21:35:56 +0200 Message-ID: <5293A69C.7060706@iki.fi> References: <1382638238-25055-1-git-send-email-anssi.hannula@iki.fi> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from tulikuusama.dnainternet.net (tulikuusama.dnainternet.net [83.102.40.132]) by alsa0.perex.cz (Postfix) with ESMTP id 8D040261B11 for ; Mon, 25 Nov 2013 20:36:00 +0100 (CET) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Raymond Yau Cc: alsa-devel@alsa-project.org, James Le Cuirot List-Id: alsa-devel@alsa-project.org 25.11.2013 17:07, Raymond Yau kirjoitti: >> >> I have a Radeon 4670 (Sapphire >> branded) connected to a Yamaha RX-V773. I am running the sound/for-next >> kernel (82755ab) with your "missing PCM SAD" patch applied. >> >> The new kernel has allowed ALSA to recognise the card as multichannel and > I >> can issue the following speaker-test command but I still only hear "Front >> Left" and "Front Right" and the Yahama seems to report the signal as > stereo. >> >> # speaker-test -Dhdmi:CARD=HDMI,DEV=0 -c6 -t wav > > Why do you use -c6 when your HDMI codec only support stereo > > Node 0x02 [Audio Output] wcaps 0x201: Stereo Digital > Converter: stream=1, channel=0 > Node 0x03 [Pin Complex] wcaps 0x400381: Stereo Digital All ATI/AMD HDMI codecs report stereo only here, their multichannel support is non-standard (probably predates the HDA spec). -- Anssi Hannula