From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH v2] ASoC: ak4642: Add Digital Playback Volume control Date: Wed, 30 Jun 2010 13:59:55 +0100 Message-ID: <20100630125955.GC3634@rakim.wolfsonmicro.main> References: 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 5264B2415F for ; Wed, 30 Jun 2010 14:59:56 +0200 (CEST) Content-Disposition: inline In-Reply-To: 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: Kuninori Morimoto Cc: Linux-ALSA , Liam Girdwood List-Id: alsa-devel@alsa-project.org On Tue, Jun 29, 2010 at 04:24:19PM +0900, Kuninori Morimoto wrote: > + /* default volume */ > + ak4642_write(codec, L_DVC, 0x28); > + ak4642_write(codec, R_DVC, 0x28); > + Unless there is a particular reason to do so we should trust the chip default volume. A volume which is sensible in one appolication may not be appropriate in another (eg, using a different output path or with an external amplifier).