From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Henningsson Subject: Re: Problem and dirty Fix for hda-intel on ALC892 Date: Mon, 21 Mar 2011 22:44:15 +0100 Message-ID: <4D87C6AF.2090906@canonical.com> References: <20110321113702.GA15206@atlantis.wh2.tu-dresden.de.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from adelie.canonical.com (adelie.canonical.com [91.189.90.139]) by alsa0.perex.cz (Postfix) with ESMTP id 3F22824475 for ; Mon, 21 Mar 2011 22:44:14 +0100 (CET) In-Reply-To: <20110321113702.GA15206@atlantis.wh2.tu-dresden.de.de> 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, losinski@wh2.tu-dresden.de List-Id: alsa-devel@alsa-project.org On 2011-03-21 12:37, Jan Losinski wrote: > Hello, > > Since last week I compiled 2.6.38 on my Desktop. After booting I noticed > a regression at the sound stuff. The surround speaker where no longer > controlled by the master volume control. I can control it separately, > but not with the master control that controls the front, center and > LFE volume. > > After some debugging I found some differencies at module-loading output > in the kernel log and in the output from alsactl store command. The > dmesg and the diff of the alsactl output can be found at the end of this > message. > > After that I tried to understand the hda-codec code and debugged there > with a lot of printks and reboots. It takes another couple of hours to > find out that the index of the surround volume and switch was 0 at pre > 2.6.38 and is now 1. So I wrote a dirty hack to fix this (please ignore > the debugging printks): Hmm, I made one or two patches in relation to this but they aimed at moving index 1 to index 0, not the other way around. Could you please give alsa-info (see wiki.ubuntu.com/Audio/AlsaInfo ) information, preferably with 2.6.38 (and without your workaround) installed? Thanks! -- David Henningsson, Canonical Ltd. http://launchpad.net/~diwic