From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: [PATCH] pcm: Don't store the state for
	SND_PCM_STATE_SUSPENDED
Date: Fri, 20 May 2016 16:31:33 +0200
Message-ID: <s5hr3cwkdh6.wl-tiwai@suse.de>
References: <1462866346-11878-1-git-send-email-shengjiu.wang@freescale.com>
 <s5h7ff2b9vx.wl-tiwai@suse.de>
 <HE1PR04MB21229D4BBCC605559F98D3FFE3720@HE1PR04MB2122.eurprd04.prod.outlook.com>
 <s5hzirx9nv4.wl-tiwai@suse.de>
 <HE1PR04MB212240A8E6692FCFF12DF797E3720@HE1PR04MB2122.eurprd04.prod.outlook.com>
 <s5hoa8d9iey.wl-tiwai@suse.de>
 <HE1PR04MB2122FD4500AC192F85542DA2E3490@HE1PR04MB2122.eurprd04.prod.outlook.com>
 <s5h60ubn42y.wl-tiwai@suse.de>
 <HE1PR04MB212271FEAAEFBBE21A2E358FE34B0@HE1PR04MB2122.eurprd04.prod.outlook.com>
 <s5hk2ipknw2.wl-tiwai@suse.de>
Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka")
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <alsa-devel-bounces@alsa-project.org>
Received: from mx2.suse.de (mx2.suse.de [195.135.220.15])
 by alsa0.perex.cz (Postfix) with ESMTP id 99AB326660C
 for <alsa-devel@alsa-project.org>; Fri, 20 May 2016 16:31:34 +0200 (CEST)
In-Reply-To: <s5hk2ipknw2.wl-tiwai@suse.de>
List-Unsubscribe: <http://mailman.alsa-project.org/mailman/options/alsa-devel>,
 <mailto:alsa-devel-request@alsa-project.org?subject=unsubscribe>
List-Archive: <http://mailman.alsa-project.org/pipermail/alsa-devel/>
List-Post: <mailto:alsa-devel@alsa-project.org>
List-Help: <mailto:alsa-devel-request@alsa-project.org?subject=help>
List-Subscribe: <http://mailman.alsa-project.org/mailman/listinfo/alsa-devel>,
 <mailto:alsa-devel-request@alsa-project.org?subject=subscribe>
Errors-To: alsa-devel-bounces@alsa-project.org
Sender: alsa-devel-bounces@alsa-project.org
To: Shengjiu Wang <shengjiu.wang@nxp.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
List-Id: alsa-devel@alsa-project.org

On Fri, 20 May 2016 12:46:37 +0200,
Takashi Iwai wrote:
> 
> On Fri, 20 May 2016 11:41:25 +0200,
> Shengjiu Wang wrote:
> > 
> > Hi Takashi
> > 
> >    I tested your patch, after suspend and resume, the playback is stopped.
> > It is caused by the DMA. DMA is not started after resume.
> > 
> > With your patch, DMA is not terminated but then is re-started. The driver don't
> > support this behavior. 
> 
> If so, it's simply a driver bug.  Blame the kernel driver instead.

Which driver did you see the problem?  We should fix it.


thanks,

Takashi