From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugtrack@alsa-project.org Subject: [ALSA - driver 0001618]: No Sound on Acer with Intel ICH6 HDA and Realtek ALC260 Date: Mon, 5 Dec 2005 07:12:23 +0100 Message-ID: <0dee85b3afd917d13f612003802296e2@bugtrack.alsa-project.org> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from bugtrack.alsa-project.org (gate.perex.cz [85.132.177.35]) by alsa.jcu.cz (ALSA's E-mail Delivery System) with ESMTP id A59C8144 for ; Mon, 5 Dec 2005 07:12:23 +0100 (MET) Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org A NOTE has been added to this issue. ====================================================================== ====================================================================== Reported By: robertw Assigned To: tiwai ====================================================================== Project: ALSA - driver Issue ID: 1618 Category: PCI - hda-intel Reproducibility: always Severity: feature Priority: normal Status: assigned Distribution: Ubuntu 5.10 Kernel Version: 2.6.12-10-686 ====================================================================== Date Submitted: 12-04-2005 21:24 CET Last Modified: 12-05-2005 07:12 CET ====================================================================== Summary: No Sound on Acer with Intel ICH6 HDA and Realtek ALC260 Description: I can load the snd-hda-intel module and play a file via aplay or xmms or play a cd without any error, but I cannot hear anything neither via the build-in speakers nor via headphones. All volume controllers are at 70% and unmuted, except for PCM, because there is no mute/unmute-button. ====================================================================== ---------------------------------------------------------------------- jwoithe - 12-05-05 07:12 ---------------------------------------------------------------------- This sounds exactly like what I saw with a Fujitsu S7020 laptop earlier this year. The ALC260 sound chip has about a dozen identical audio I/O pins which are somewhat arbitarily labeled as "CD" and "Line" (etc) by the manufacturer. While some system integrators go along with these labels, others do not. To fix the problem one must deduce which chip pins are physically connected to the various I/O plugs on the laptop and then define a mapping for that laptop in patch_realtek.c. Once this is done alsa mixer application (alsamixer for example) will do the right thing. I went through this process by trial and error for the S7020 earlier this year. Essentially I defined a large number of mixer controls and hooked one to each of the output widgets on the ALC260 (having the ALC260 datasheet is very helpful here). When the resulting driver was loaded I then used alsamixer to work out what each control/widget did (if anything). Finally I used the resultant information to define mixer layout and initialisation details for the S7020. There may be a better (streamlined) way of doing this but the above was quick and worked for me. Takashi may well have an easier way. :) If you want more details contact me via the ALSA mailing list. Issue History Date Modified Username Field Change ====================================================================== 12-04-05 21:24 robertw New Issue 12-04-05 21:24 robertw Distribution => Ubuntu 5.10 12-04-05 21:24 robertw Kernel Version => 2.6.12-10-686 12-05-05 07:12 jwoithe Note Added: 0006908 ====================================================================== ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click