From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Smirl Subject: Re: MPC5200/WM9712 mute problem Date: Fri, 7 Aug 2009 11:16:12 -0400 Message-ID: <9e4733910908070816x4aa3ab8nc79fd65dd56efca0@mail.gmail.com> References: <20090731230311.17686.46431.stgit@riker> <9e4733910908010647k3a4a22c5jf9b9eda482f016b1@mail.gmail.com> <1249139096.4582.13.camel@riker> <20090802114950.GA1778@sirena.org.uk> <1249489853.4582.58.camel@riker> <20090805170305.GC16844@sirena.org.uk> <1249579721.5844.88.camel@riker> <20090807095601.GA8175@rakim.wolfsonmicro.main> <1249656522.5844.89.camel@riker> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.248]) by alsa0.perex.cz (Postfix) with ESMTP id 78E5D1038D8 for ; Fri, 7 Aug 2009 17:16:14 +0200 (CEST) Received: by an-out-0708.google.com with SMTP id c37so434336anc.2 for ; Fri, 07 Aug 2009 08:16:12 -0700 (PDT) In-Reply-To: <1249656522.5844.89.camel@riker> 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: John Bonesio Cc: Grant Likely , alsa-devel@alsa-project.org, Mark Brown , Eric Millbrandt List-Id: alsa-devel@alsa-project.org On Fri, Aug 7, 2009 at 10:48 AM, John Bonesio wrote: > On Fri, 2009-08-07 at 10:56 +0100, Mark Brown wrote: >> On Thu, Aug 06, 2009 at 10:28:41AM -0700, John Bonesio wrote: >> >> > I'm open to more suggestions or thoughts on the approach I've taken so >> > far. >> >> The approach you've been taking sounds reasonable; at this point I'd be >> looking at trying to confirm that the controller is doing what's been >> asked of it. =A0Checking that the CODEC power rails are all within spec >> and looking at other bits in the same register may also be useful. You can turn on an interrupt that gets triggered when the register wire completes. That would give you a clue if too many register writes are happening. A DSO or logical analyzer would make this much faster to isolate. >> >> Is the system otherwise idle when the problem occurs? > > Yes the system is idle - just me fiddling with the mute settings. > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@alsa-project.org > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > -- = Jon Smirl jonsmirl@gmail.com