From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: ALSA snd-fireworks Echo AudioFire 2
Date: Mon, 25 Aug 2014 22:42:56 +0200
Message-ID: <53FB9FD0.8070000@ladisch.de>
References: <CAKudYbO=FZwPHzgxwYADxdUKHOtSUzd5V7WayENkmcz__unFQA@mail.gmail.com>
 <53FAB9DA.1060202@sakamocchi.jp>
 <CAKudYbMC-jioVYJ3ViJWYuWZmPy_vbVXqgHorC7ZQFbBUXCDqQ@mail.gmail.com>
 <53FB3184.3060201@ladisch.de>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <alsa-devel-bounces@alsa-project.org>
Received: from dehamd003.servertools24.de (dehamd003.servertools24.de
 [31.47.254.18]) by alsa0.perex.cz (Postfix) with ESMTP id 0DBA92608D4
 for <alsa-devel@alsa-project.org>; Mon, 25 Aug 2014 22:44:06 +0200 (CEST)
In-Reply-To: <53FB3184.3060201@ladisch.de>
List-Unsubscribe: <http://mailman.alsa-project.org/mailman/options/alsa-devel>,
 <mailto:alsa-devel-request@alsa-project.org?subject=unsubscribe>
List-Archive: <http://mailman.alsa-project.org/pipermail/alsa-devel/>
List-Post: <mailto:alsa-devel@alsa-project.org>
List-Help: <mailto:alsa-devel-request@alsa-project.org?subject=help>
List-Subscribe: <http://mailman.alsa-project.org/mailman/listinfo/alsa-devel>,
 <mailto:alsa-devel-request@alsa-project.org?subject=subscribe>
Errors-To: alsa-devel-bounces@alsa-project.org
Sender: alsa-devel-bounces@alsa-project.org
To: Harry van Haaren <harryhaaren@gmail.com>, Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
List-Id: alsa-devel@alsa-project.org

Clemens Ladisch wrote:
> Harry van Haaren wrote:
>> [  190.433203] snd-fireworks fw1.0: Detect discontinuity of CIP: 00 0A
>> [  190.591959] snd-fireworks fw1.0: Detect discontinuity of CIP: 00 02
>> [  190.749202] snd-fireworks fw1.0: Detect discontinuity of CIP: 00 12
>> [  190.908270] snd-fireworks fw1.0: Detect discontinuity of CIP: 00 12
>> [  191.066267] snd-fireworks fw1.0: Detect discontinuity of CIP: 00 0A
>> [  191.225139] snd-fireworks fw1.0: Detect discontinuity of CIP: 00 02
>> [  191.383942] snd-fireworks fw1.0: Detect discontinuity of CIP: 00 02
>>
>> JACK also reports xruns, same as before: flashing the firmware to the
>> latest doesn't seem to have changed anything. The firmware of this
>> device was at 5.7 before the flash, perhaps its "too new" for
>> snd-fireworks in its current state?
>
> I suspect these counter values are generated by the hardware; I don't
> think that the firmware can do anything to affect this.

I do not get any discontinuities with ARM firmware 3.0.2.
So much for that theory.


Anyway, if you're up to experimentation, try removing the entire
"if (lost)" block from sound/firewire/amdtp.c, and recompiling the
drivers.  (This will make the driver accept all packets, without
fixing the wrong order.)


Regards,
Clemens