From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH 1/3] ASoC: cs4270: fix Master Capture Switch polarity Date: Sun, 26 Apr 2009 12:21:37 +0100 Message-ID: <20090426112137.GA20714@sirena.org.uk> References: <1240578026-1987-1-git-send-email-daniel@caiaq.de> <49F1DE99.7050104@freescale.com> <20090426094917.GA4760@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from cassiel.sirena.org.uk (cassiel.sirena.org.uk [80.68.93.111]) by alsa0.perex.cz (Postfix) with ESMTP id 5AB4424533 for ; Sun, 26 Apr 2009 13:21:45 +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: Takashi Iwai Cc: alsa-devel@alsa-project.org, Timur Tabi List-Id: alsa-devel@alsa-project.org On Sun, Apr 26, 2009 at 01:08:22PM +0200, Takashi Iwai wrote: > OTOH, "* Capture Switch" is handled as "capture" switch, which is > indicated as "CAPTURE" (and "L" & "R") in the above. Also, if the Right; however the effect of a capture switch is pretty much equivalent to mute for a playback control. > The keys you mentioned above are all for playback mute controls, thus > irrelevant with the capture switch. User space key to toggle the > capture switch. That doesn't quite answer Timur's question - the question was more why capture switches are being presented to the user as mono controls even when the two channels can be switched independantly.