From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Keepax Subject: Re: [PATCH] ASoC: wm8960: add DAC mono mix kcontrol Date: Fri, 8 Jan 2016 11:57:11 +0000 Message-ID: <20160108115711.GD1490@localhost.localdomain> References: <3d52a0f560ed565ca81da1d041744e1814d7b561.1452243300.git.zidan.wang@freescale.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by alsa0.perex.cz (Postfix) with ESMTP id 9682026040E for ; Fri, 8 Jan 2016 12:57:14 +0100 (CET) Content-Disposition: inline In-Reply-To: <3d52a0f560ed565ca81da1d041744e1814d7b561.1452243300.git.zidan.wang@freescale.com> 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: Zidan Wang Cc: alsa-devel@alsa-project.org, broonie@kernel.org, patches@opensource.wolfsonmicro.com, tiwai@suse.com List-Id: alsa-devel@alsa-project.org On Fri, Jan 08, 2016 at 04:57:01PM +0800, Zidan Wang wrote: > In normal operation, the left and right channel digital audio data is > converted to analogue in two separate DACs. There is a mono-mix mode > where the two audio channels are mixed together digitally and then > converted to analogue using only one DAC, while the other DAC is > switched off. The mono-mix signal can be selected to appear on both > analogue output channels. The mono mix is automatically attenuated by > 6dB to prevent clipping. > > Signed-off-by: Zidan Wang > --- Acked-by: Charles Keepax Thanks, Charles