From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Nikula Subject: Re: [PATCH 1/1] ASoC: TWL4030: Headset VMID ramp fix Date: Fri, 8 May 2009 17:23:22 +0300 Message-ID: <20090508172322.53be8d2c.jhnikula@gmail.com> References: <1241763077-6851-1-git-send-email-peter.ujfalusi@nokia.com> <1241763077-6851-2-git-send-email-peter.ujfalusi@nokia.com> <20090508094044.0c85e86a.jhnikula@gmail.com> <200905081456.50445.peter.ujfalusi@nokia.com> <20090508165501.954a61e7.jhnikula@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ew0-f175.google.com (mail-ew0-f175.google.com [209.85.219.175]) by alsa0.perex.cz (Postfix) with ESMTP id 650FA1038F2 for ; Fri, 8 May 2009 16:21:56 +0200 (CEST) Received: by ewy23 with SMTP id 23so2091662ewy.32 for ; Fri, 08 May 2009 07:21:55 -0700 (PDT) In-Reply-To: <20090508165501.954a61e7.jhnikula@gmail.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: Peter Ujfalusi Cc: "sakoman@gmail.com" , "anuj.aggarwal@ti.com" , "alsa-devel@alsa-project.org" , "broonie@opensource.wolfsonmicro.com" , "getarunks@gmail.com" List-Id: alsa-devel@alsa-project.org On Fri, 8 May 2009 16:55:01 +0300 Jarkko Nikula wrote: > Would it be possible that pop is not caused by the HS output but > inside the chip, like from DAC? > Seems to be not the case. Pops are there even if I put msleep(250) before and after playing with the HS. A digital scope would definitely help here to see are there ramp and is the coupling configuration correct. -- Jarkko