From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 19 Feb 2003 11:00:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 19 Feb 2003 11:00:04 -0500 Received: from ns.suse.de ([213.95.15.193]:11013 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id ; Wed, 19 Feb 2003 11:00:03 -0500 Date: Wed, 19 Feb 2003 17:10:03 +0100 Message-ID: From: Takashi Iwai To: "Martin J. Bligh" Cc: linux-kernel Subject: Re: [Bug 379] New: VIA 8235 rear channel playback on front channels? In-Reply-To: <13480000.1045638000@[10.10.2.4]> References: <13480000.1045638000@10.10.2.4> <13480000.1045638000@[10.10.2.4]> User-Agent: Wanderlust/2.6.1 (Upside Down) SEMI/1.14.4 (Hosorogi) FLIM/1.14.4 (=?ISO-8859-4?Q?Kashiharajing=FE-mae?=) APEL/10.2 MULE XEmacs/21.4 (patch 11) (Native Windows TTY Support (RC1)) (i386-suse-linux) MIME-Version: 1.0 (generated by SEMI 1.14.4 - "Hosorogi") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org At Tue, 18 Feb 2003 23:00:00 -0800, Martin J. Bligh wrote: > > http://bugme.osdl.org/show_bug.cgi?id=379 > > Summary: VIA 8235 rear channel playback on front channels? > Kernel Version: 2.5.62 > Status: NEW > Severity: normal > Owner: bugme-janitors@lists.osdl.org > Submitter: ricko73@yahoo.com > > > Distribution: Slackware 8.1 > Hardware Environment: EPIA-M 9000 > Software Environment: VIA 8235 ALSA kernel drivers > Problem Description: During DVD playback on Mplayer, (using ALSA sound), sound > only comes out of the main two channels (front left and right), but that sound > is supposed to be in the REAR two channels. which ac97 codec is on this board? if it's an ALC650, check whether the downmix switch is not set. also, please check which chip is in fact from /proc/asound/cards. the behvior of the driver depends on the chip model. if it's really a VIA8235, i guess mplayer accessing to the first pcm device, which supports only the front playback. the multi-channel playback is supported on the second pcm. -- Takashi Iwai SuSE Linux AG - www.suse.de ALSA Developer ALSA Project - www.alsa-project.org