From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cyril Hrubis Subject: Re: TASCAM US-122mkII Date: Fri, 19 Aug 2011 13:54:09 +0200 Message-ID: <20110819115409.GA21095@yumi> References: <20110819100156.GA31665@yumi> <20110819113727.GA9522@yumi> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-fx0-f51.google.com (mail-fx0-f51.google.com [209.85.161.51]) by alsa0.perex.cz (Postfix) with ESMTP id EB9D524664 for ; Fri, 19 Aug 2011 13:54:07 +0200 (CEST) Received: by fxh10 with SMTP id 10so2060733fxh.38 for ; Fri, 19 Aug 2011 04:54:06 -0700 (PDT) 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: Daniel Mack Cc: ALSA Development Mailing List List-Id: alsa-devel@alsa-project.org Hi! > > As far as I understand it, there are two endpoints for audio and two for > > MIDI. The MIDI part seems to be initalized fine although I don't have > > any MIDI device to test it. > > > > And in the log from windows machine the audio part does some > > intialization and then only buch of isochronous transfers. > > Hmm, so it seems that our only option is really to look at these > Windows dumps and reverse-engineer the protocol. Looks so, anybody could lend a helping hand (or a good HOWTO), I'm still new to USB, kernel USB subsystem and alsa. -- Cyril Hrubis