From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH 01/19] ASoC: upd9976: Add Renesas uPD9976 codec driver Date: Wed, 4 May 2011 17:13:54 +0100 Message-ID: <20110504161354.GC10912@opensource.wolfsonmicro.com> References: <20110504133756.32443.6282.stgit@localhost> <20110504134458.32443.45825.stgit@localhost> <20110504143451.GA10912@opensource.wolfsonmicro.com> <20110504151827.GD1671@qtel.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from opensource2.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 8BDB0103939 for ; Wed, 4 May 2011 18:14:25 +0200 (CEST) Content-Disposition: inline In-Reply-To: <20110504151827.GD1671@qtel.sh.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: Lu Guanqun Cc: Takashi Iwai , "Koul, Vinod" , ALSA , Liam Girdwood , "Wang, Xingchao" List-Id: alsa-devel@alsa-project.org On Wed, May 04, 2011 at 11:18:27PM +0800, Lu Guanqun wrote: > Oh, btw: There are another register that's related to volume control, > it's before DAC (not added in this patchset yet, for simplicity, will > add it later). so the connection looks something like this: > [volume gain A] --> [DAC] --> [Mixer Volume] -> [Output Pins] > Which volume control should be the master volume? I'm a bit unclear on > this one. Probably the mixer if that's the only path out.