From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mikael Magnusson Subject: Re: [PATCH 1/5] emu10k1 SB Live: Master volume and front channels via fxbus 8,9 Date: Tue, 22 Feb 2005 11:19:40 +0100 Message-ID: <421B073C.1090007@glocalnet.net> References: <421A3A3A.6070009@glocalnet.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Received: from mail.perex.cz (gate.perex.cz [82.113.61.162]) by alsa.alsa-project.org (ALSA's E-mail Delivery System) with ESMTP id EB1E0175 for ; Tue, 22 Feb 2005 11:19:42 +0100 (MET) Received: from mulder.hem.za.org (unknown [84.217.26.207]) by gate.perex.cz (Perex's E-mail Delivery System) with ESMTP id 858F7581B4 for ; Tue, 22 Feb 2005 11:19:42 +0100 (MET) Received: from skinner.hem.za.org ([192.168.0.2]) by mulder.hem.za.org with esmtp (Exim 4.34) id 1D3X8n-0002gN-M8 for alsa-devel@alsa-project.org; Tue, 22 Feb 2005 11:19:41 +0100 Received: from localhost ([127.0.0.1]) by skinner.hem.za.org with esmtp (Exim 4.34) id 1D3X8m-0004Tu-N7 for alsa-devel@alsa-project.org; Tue, 22 Feb 2005 11:19:40 +0100 In-Reply-To: Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: ALSA development List-Id: alsa-devel@alsa-project.org Jaroslav Kysela wrote: > On Mon, 21 Feb 2005, Mikael Magnusson wrote: > > >>This is the first in a set of five patches that add master volume and >>switch controls and front pcm channels via fxbus 8,9 to SB Live. > > > I still feel that it's broken idea. We have also problems with AC97 > where the surround/center&lfe volumes are separate from AC97 Master Volume > control, too (at least for Sigmatel codecs). > > We need a layer in user space to handle these issues where we can express > the control relations in very easy way and not mess the kernel with more > dust which is not necessary. > > It might be easy to write a small daemon which will create "Master Volume" > control for SB cards at this time until a decent solution in alsa-lib is > finished. > > Jaroslav > I think a "Master Digital Volume" or separate controls for surround, center and lfe are needed. How are you otherwise going to implement a "Master Volume" control in user space if you allow the user to change for example "Wave Surround" and "Surround"? /Mikael ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click