From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sangbeom Kim Subject: Re: [PATCH] ASoC: samsung dma - prepare dma in start/resume trigger path Date: Fri, 24 Aug 2012 16:41:32 +0900 Message-ID: <00df01cd81cb$e21d2f00$a6578d00$@com> References: <1345755069-9512-1-git-send-email-dgreid@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) by alsa0.perex.cz (Postfix) with ESMTP id 98399265B56 for ; Fri, 24 Aug 2012 09:41:34 +0200 (CEST) Received: from epcpsbgm2.samsung.com (mailout4.samsung.com [203.254.224.34]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0M9900DXH1D5JNS0@mailout4.samsung.com> for alsa-devel@alsa-project.org; Fri, 24 Aug 2012 16:41:32 +0900 (KST) Received: from DOSBKIM7302 ([10.90.35.108]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0M9900LAV1D7XE90@mmp1.samsung.com> for alsa-devel@alsa-project.org; Fri, 24 Aug 2012 16:41:31 +0900 (KST) In-reply-to: <1345755069-9512-1-git-send-email-dgreid@chromium.org> Content-language: ko List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: 'Dylan Reid' , linux-arm-kernel@lists.infradead.org, alsa-devel@alsa-project.org Cc: kgene.kim@samsung.com, ben-linux@fluff.org, jassi.brar@samsung.com, padma.v@samsung.com, broonie@opensource.wolfsonmicro.com, alim.akhtar@samsung.com, olofj@chromium.org List-Id: alsa-devel@alsa-project.org Hi! On Thu, Aug 24, 2012 at 5:51 AM, Dylan Reid wrote: > On suspend all dma transactions are terminated (by the stop/suspend > trigger calling ops->stop), they need to be set up again during resume. > Move the prepare op to the start/resume/unpause trigger path so that dma > and audio will restart on resume/unpause. Do you mean that currently, suspend/resume can't be supported? Thanks, Sangbeom. From mboxrd@z Thu Jan 1 00:00:00 1970 From: sbkim73@samsung.com (Sangbeom Kim) Date: Fri, 24 Aug 2012 16:41:32 +0900 Subject: [alsa-devel] [PATCH] ASoC: samsung dma - prepare dma in start/resume trigger path In-Reply-To: <1345755069-9512-1-git-send-email-dgreid@chromium.org> References: <1345755069-9512-1-git-send-email-dgreid@chromium.org> Message-ID: <00df01cd81cb$e21d2f00$a6578d00$@com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi! On Thu, Aug 24, 2012 at 5:51 AM, Dylan Reid wrote: > On suspend all dma transactions are terminated (by the stop/suspend > trigger calling ops->stop), they need to be set up again during resume. > Move the prepare op to the start/resume/unpause trigger path so that dma > and audio will restart on resume/unpause. Do you mean that currently, suspend/resume can't be supported? Thanks, Sangbeom.