From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [PATCH] pcm: Don't store the state for SND_PCM_STATE_SUSPENDED Date: Fri, 20 May 2016 12:46:37 +0200 Message-ID: References: <1462866346-11878-1-git-send-email-shengjiu.wang@freescale.com> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 3F743266B6C for ; Fri, 20 May 2016 12:46:38 +0200 (CEST) In-Reply-To: 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: Shengjiu Wang Cc: "alsa-devel@alsa-project.org" List-Id: alsa-devel@alsa-project.org 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. Takashi