From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerone Young Subject: Re: Conexant CX20561 alsa driver not muting headphone jack on Thinkpads when mute button pressed .. any ideas? Date: Tue, 23 Feb 2010 03:44:31 -0600 Message-ID: <1266918271.32128.12.camel@laptop> References: <1266882934.2831.40.camel@laptop> 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 CBB181038AC for ; Tue, 23 Feb 2010 10:44:34 +0100 (CET) Received: from hutte.canonical.com ([91.189.90.181]) by adelie.canonical.com with esmtp (Exim 4.69 #1 (Debian)) id 1NjrJi-00081L-5k for ; Tue, 23 Feb 2010 09:44:34 +0000 Received: from adsl-71-145-133-119.dsl.austtx.sbcglobal.net ([71.145.133.119] helo=[192.168.1.6]) by hutte.canonical.com with esmtpsa (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1NjrJh-0007cZ-QF for alsa-devel@alsa-project.org; Tue, 23 Feb 2010 09:44:34 +0000 In-Reply-To: <1266882934.2831.40.camel@laptop> 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 So I believe I know the answer (or almost) to the problem. The problem is the speaker & headphones DACs are not being mixed on the same mixer. The problem is to figure out which mixer does this I need the spec for the codec. Does anyone know I can get a hold of data sheet for the Conexant CX20561 or CXT5051 ? Thanks, Jerone On Mon, 2010-02-22 at 17:55 -0600, Jerone Young wrote: > There is an interesting problem with Lenovo Thinkpads X200, X200s, X301, > & .. looks like W500 using the Conexant CX20561 codec under Linux with > alsa. > > But if you have your headphone plugged in. You get audio .. but if you > press the hardware mute button .. it will not mute the headphones. By > pulling out the headphones you will notice though that the internal > speakers are muted. > > At first I blamed the bios. But then I did a test under FreeDOS where I > used the beep command for sound. Sure enough I press the mute button and > the headphone jack is muted. > > I've been looking for any documentation I can find on the CX20561 but > there is non out there I can find. I could be wrong, but it seems some > bit isn't being flipped for this codec to work correctly with this > functionality with the alsa driver. > > > Any ideas? > > I've created a bug here: > https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4928 > > Thanks, > Jerone > > > > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@alsa-project.org > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel