From mboxrd@z Thu Jan 1 00:00:00 1970 From: Timur Tabi Subject: Re: [PATCH 1/3] ASoC: cs4270: fix Master Capture Switch polarity Date: Fri, 24 Apr 2009 10:45:29 -0500 Message-ID: <49F1DE99.7050104@freescale.com> References: <1240578026-1987-1-git-send-email-daniel@caiaq.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) by alsa0.perex.cz (Postfix) with ESMTP id 5EE5824389 for ; Fri, 24 Apr 2009 17:45:52 +0200 (CEST) In-Reply-To: <1240578026-1987-1-git-send-email-daniel@caiaq.de> 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: Daniel Mack Cc: alsa-devel@alsa-project.org, Mark Brown List-Id: alsa-devel@alsa-project.org Daniel Mack wrote: > The control modifies the MUTE register, hence the polarity must be > inverted. I have a question. In alsamixer, the capture switch looks either like this: ------ < Master > or like this: L R CAPTUR < Master > What exactly does this mean? Which one is supposed to mean "muted"? And how come even though this switch is a SOC_DOUBLE, I cannot control the left and right channel independently with the < and > keys, and the "M" key doesn't toggle it either. -- Timur Tabi Linux kernel developer at Freescale