From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH v2 1/2] ASoC: core: Add flag to ignore pmdown_time at pcm_close Date: Fri, 21 Oct 2011 10:13:59 +0100 Message-ID: <20111021091358.GG3513@opensource.wolfsonmicro.com> References: <1318592614-13110-1-git-send-email-peter.ujfalusi@ti.com> <1318592614-13110-2-git-send-email-peter.ujfalusi@ti.com> <12D0C12AF19E15409D57F22566E88EF50A813690AD@bgsmsx501.gar.corp.intel.com> <20111021085303.GB3513@opensource.wolfsonmicro.com> <12D0C12AF19E15409D57F22566E88EF50A81369249@bgsmsx501.gar.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id A4E17103A8A for ; Fri, 21 Oct 2011 11:14:00 +0200 (CEST) Content-Disposition: inline In-Reply-To: <12D0C12AF19E15409D57F22566E88EF50A81369249@bgsmsx501.gar.corp.intel.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: "Babu, Ramesh" Cc: Peter Ujfalusi , "alsa-devel@alsa-project.org" , Liam Girdwood , Misael Lopez Cruz List-Id: alsa-devel@alsa-project.org On Fri, Oct 21, 2011 at 02:40:04PM +0530, Babu, Ramesh wrote: > In my device, clock to the codec is coming from modem (for voice call use case). After voice call termination, application > Calls snd_pcm_close for voice device and then turns off the modem clock. Since clock is turned-off while > Widgets are still on (power down deferred by pmdown_time), I am noticing the glitches. This clearly isn't something that should be set in the CODEC driver, it's a system integration issue - on a different board there might be no such requirement.