From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: MPC5200/WM9712 mute problem Date: Fri, 7 Aug 2009 10:56:02 +0100 Message-ID: <20090807095601.GA8175@rakim.wolfsonmicro.main> 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> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from opensource2.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 14B9B103875 for ; Fri, 7 Aug 2009 11:56:03 +0200 (CEST) Content-Disposition: inline In-Reply-To: <1249579721.5844.88.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, Eric Millbrandt List-Id: alsa-devel@alsa-project.org 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. Checking that the CODEC power rails are all within spec and looking at other bits in the same register may also be useful. Is the system otherwise idle when the problem occurs?