From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH v2 2/2] ASoC: omap-mcpdm: Replace legacy driver Date: Tue, 23 Aug 2011 11:57:17 +0100 Message-ID: <20110823105716.GK9232@opensource.wolfsonmicro.com> References: <1313739679-8975-1-git-send-email-peter.ujfalusi@ti.com> <1313739679-8975-3-git-send-email-peter.ujfalusi@ti.com> <20110820070113.GB5011@opensource.wolfsonmicro.com> <1841405.uncpCjWKsY@barack> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from opensource2.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id E5EFC2464C for ; Tue, 23 Aug 2011 12:57:18 +0200 (CEST) Content-Disposition: inline In-Reply-To: <1841405.uncpCjWKsY@barack> 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: =?iso-8859-1?Q?P=E9ter?= Ujfalusi Cc: "alsa-devel@alsa-project.org" , "Girdwood, Liam" , "Lopez Cruz, Misael" List-Id: alsa-devel@alsa-project.org On Tue, Aug 23, 2011 at 10:52:03AM +0300, P=E9ter Ujfalusi wrote: > 1. Stop platform (DMA) > 2. Power down (mostly codec side) > 3. Stop cpu dai > I'm not sure about this, but we should not have running DMA after = > trigger:stop? I'd expect that to stop the DMA. I need to think about this properly but I think the main trick is keeping the CPU DAI active for longer than we would normally.