From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xavier Bestel Subject: HDMI with more than 2ch ? Date: Mon, 24 Jan 2011 10:16:37 +0100 Message-ID: <1295860599.14528.8.camel@skunk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from relay1.mentorg.com (relay1.mentorg.com [192.94.38.131]) by alsa0.perex.cz (Postfix) with ESMTP id 9D91410382F for ; Mon, 24 Jan 2011 10:16:43 +0100 (CET) Received: from nat-ies.mentorg.com ([192.94.31.2] helo=EU1-MAIL.mgc.mentorg.com) by relay1.mentorg.com with esmtp id 1PhIXR-0002ZQ-Gu from xavier.bestel@free.fr for alsa-devel@alsa-project.org; Mon, 24 Jan 2011 01:16:41 -0800 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: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Hi, I'm using HDMI output on an HD 2600, using KMS from kernel 2.6.37: http://www.alsa-project.org/db/?f=b3f67a0890f9878b7b3f345578e24eda0aaa59ac The problem is that only 2ch are supported (not 1, not 3 or more). I tested with speaker-test, it only works with -c 2. So how can I access the other PCM channels ? There are 8 of them available in the HDMI standard, I thought the card should be able to drive all of them. Thanks, Xav