From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [RFC 0/2] soc-dapm or TWL4030: Runtime DAPM ordering problem Date: Tue, 3 Aug 2010 16:02:54 +0100 Message-ID: <20100803150254.GF25306@rakim.wolfsonmicro.main> References: <1280732895-29010-1-git-send-email-peter.ujfalusi@nokia.com> <201008030915.37405.peter.ujfalusi@nokia.com> <20100803083944.GB25306@rakim.wolfsonmicro.main> <201008031209.25585.peter.ujfalusi@nokia.com> 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 567A2244D4 for ; Tue, 3 Aug 2010 17:02:55 +0200 (CEST) Content-Disposition: inline In-Reply-To: <201008031209.25585.peter.ujfalusi@nokia.com> 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: Peter Ujfalusi Cc: "alsa-devel@alsa-project.org" , "lrg@slimlogic.co.uk" List-Id: alsa-devel@alsa-project.org On Tue, Aug 03, 2010 at 12:09:10PM +0300, Peter Ujfalusi wrote: > On Tuesday 03 August 2010 11:39:44 ext Mark Brown wrote: > > I think there's something useful we can do with DAPM here (independantly > > of anything in TWL4030), probably involving splitting up the routing > > change walk to run power down first and then power up but the current > > patch feels like it's going to cause at least as many problems as it > > solves. > I tend to agree. The patch for the core is quite dramatic change, and it can > introduce other types of problems. > But... It would make the actual register write sequence consistent in all cases. The power and route configuration settings aren't really part of the same sequence, though - other widgets can also trigger power changes, and obviously a route change need not imply a power change.