From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 10 Jun 2001 06:10:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 10 Jun 2001 06:10:36 -0400 Received: from ppp-127-134.15-151.iol.it ([151.15.134.127]:13442 "HELO igor.opun.it") by vger.kernel.org with SMTP id ; Sun, 10 Jun 2001 06:10:21 -0400 Message-ID: <3B23477F.443D5FC8@alsa-project.org> Date: Sun, 10 Jun 2001 12:10:07 +0200 From: Abramo Bagnara Organization: Opera Unica X-Mailer: Mozilla 4.77 [en] (X11; U; Linux 2.4.4 i586) X-Accept-Language: it, en MIME-Version: 1.0 To: Zach Brown Cc: Ben Pfaff , Lukas Schroeder , linux-kernel@vger.kernel.org Subject: Re: [patch] ess maestro, support for hardware volume control In-Reply-To: <200106091931.f59JVw731673@devserv.devel.redhat.com> <87elst2vr2.fsf@pfaffben.user.msu.edu> <20010609185240.A23980@erasmus.off.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Zach Brown wrote: > > > I now have a patch that will output the hwv buttons pressed (up, > > down, mute) to a new dynamically allocated misc device as letters > > u, d, m, instead of directly modifying the mixer. Anyone want > > that? It's more flexible than either the patch that's currently > > in -ac or Lukas's patch, but you need a little userspace daemon > > for it to do anything useful. > > hmm.. how do the alsa guys deal with hw volume? I'm not sure I like > adding more stuff to the OSS API. It's a control separated from master volume. Often there is another control that control if the two are linked. Application may ask notification for controls changes (like the hw volume one). This imply that an interrupt is related to this event. -- Abramo Bagnara mailto:abramo@alsa-project.org Opera Unica Phone: +39.546.656023 Via Emilia Interna, 140 48014 Castel Bolognese (RA) - Italy ALSA project http://www.alsa-project.org It sounds good!