From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Ladisch Subject: Re: [RFC][PATCH 26/37] ALSA: firewire-tascam: add MMAP support to show status and control message Date: Tue, 21 Jul 2015 16:06:52 +0200 Message-ID: <55AE51FC.3020204@ladisch.de> References: <1436623968-10780-1-git-send-email-o-takashi@sakamocchi.jp> <1436623968-10780-27-git-send-email-o-takashi@sakamocchi.jp> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from dehamd003.servertools24.de (dehamd003.servertools24.de [31.47.254.18]) by alsa0.perex.cz (Postfix) with ESMTP id EB6D2264EFA for ; Tue, 21 Jul 2015 16:06:53 +0200 (CEST) In-Reply-To: <1436623968-10780-27-git-send-email-o-takashi@sakamocchi.jp> 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: Takashi Sakamoto Cc: Yoshifuji Hideaki , alsa-devel@alsa-project.org, ffado-devel@lists.sf.net List-Id: alsa-devel@alsa-project.org Takashi Sakamoto wrote: > Typically, such messages should be converted to MIDI control change > messages for userspace applications. It would be possible to have ALSA mixer controls for these, but this would make sense only if these controls are suitable to be displayed in a generic mixer application. I guess this isn't the case for most of them. > Thus, this driver should have a converter with appropriate MIDI map. > Currently I have no good idea for the map and it is not implemented > yet. I guess the Windows driver does not makes this information available in any way? If all the data is device-specific, the actual mapping chosen does not really matter, because the mixer/control application needs to have special code for parsing the data from this particular Linux driver anyway. Regards, Clemens