From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 006A4C433FE for ; Wed, 9 Dec 2020 16:08:56 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 04A3E23A33 for ; Wed, 9 Dec 2020 16:08:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 04A3E23A33 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=posteo.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 3A10616B6; Wed, 9 Dec 2020 17:08:01 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3A10616B6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1607530131; bh=jGxNNCltObIRu76mkkDLN6oqQ0Weh1xqUAMf7OPALJM=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=cVqbJq6uvAnxCcpwub10FwoKq0S75W9ymPtOLNVEt5jQLc/BYHZHEtlFmZj1BroNn QJ5K7hEqRQH7NdK3IQr3H/UYY2hC/246gwRoPwBYLto4RV3DuaLPQ+74yaG5oF1SQ5 46mygAYri34XSoVSMFaDc7eb5bOQzAN005s6bRao= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id A5C49F801D8; Wed, 9 Dec 2020 17:08:00 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id AE87CF8020D; Wed, 9 Dec 2020 17:07:58 +0100 (CET) Received: from mout01.posteo.de (mout01.posteo.de [185.67.36.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 97E79F800EF for ; Wed, 9 Dec 2020 17:07:54 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 97E79F800EF Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=posteo.de header.i=@posteo.de header.b="ZsVOBZtx" Received: from submission (posteo.de [89.146.220.130]) by mout01.posteo.de (Postfix) with ESMTPS id B658516005C for ; Wed, 9 Dec 2020 17:07:53 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1607530073; bh=jGxNNCltObIRu76mkkDLN6oqQ0Weh1xqUAMf7OPALJM=; h=Date:From:To:Cc:Subject:From; b=ZsVOBZtxd/5LybnERG3JqEixKXrTdI07qN/TrXcXcSFg7HzSvebLoAprHXz70zdC4 ooJARqt4JLk2+aTXrNd5C617UFo3s+R1LfyjjnL2iJqR+R+mfGTaQ5mcHsWsgF9yfT aeW8pemVLLmJhbPWSTi7va2huoB5OQq7njIrpOHLWZDVdK0z22+JkG18i/zrbySwkC W2tY1GjIlYBBxzDgmwiFUr8glnWXmORgzbTpgg3D+Tiy4o8ULrx58OpSgysnIp6Ujm J/cAZifq5sdW8ot67NJ3y99FtUj5QmtxAFDg4HKqNBVfPaqSd7qxMWHBWl7xUjeKTp nVlKfCFLNcyPQ== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4Crhls0z6cz6tmN; Wed, 9 Dec 2020 17:07:53 +0100 (CET) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Wed, 09 Dec 2020 17:07:53 +0100 From: Kilian To: Takashi Iwai Subject: Re: Steinberg UR22 Crackling and Clicks In-Reply-To: References: <61da73624ff3855867b8e65936fc2e1c@posteo.de> <987d1956f52ba49dc3b587c33e08bfb2@posteo.de> <4188489e2967b44e57653193cab9d1cb@posteo.de> <5811c5724e831c38395d3e5b57439b4d@posteo.de> Message-ID: X-Sender: meschi@posteo.de User-Agent: Posteo Webmail Cc: alsa-devel@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" >> > Then try to pass implicit_fb=1 option to snd-usb-audio module. >> > It's a new option that was added recently. >> > >> > >> > Takashi >> >> Nice, that did the trick. there was a small glitch on first playback >> but I can not reproduce it now. Playback seems glitch-free now. I will >> test it with pulseaudio in the gui if I can. It's not quite easy to >> test, because the system locks up after a while with the new kernel >> and gnome 3. I will also test concurrent playback and recording, >> too. Thank you very much, that was a huge help! > > Good to hear. If the implicit_fb option works, we can add a static > quirk table entry easily. Just add IMPLICIT_FB_GENERIC_DEV() with the > device ID to playback_implicit_fb_quirks[] table in > sound/usb/implicit.c. > > > Takashi Still having problems with the nouveau driver, so i couldn't thest this with pulseaudio. Recording with arecord works parallel to playing back with aplay. so here is my patch for implicit.c diff --git a/sound/usb/implicit.c b/sound/usb/implicit.c index 386198b36b87..c729ff634b9d 100644 --- a/sound/usb/implicit.c +++ b/sound/usb/implicit.c @@ -46,6 +46,7 @@ static const struct snd_usb_implicit_fb_match playback_implicit_fb_quirks[] = { IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2081), /* M-Audio FastTrack Ultra */ IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2030), /* M-Audio Fast Track C400 */ IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2031), /* M-Audio Fast Track C600 */ + IMPLICIT_FB_GENERIC_DEV(0x0499, 0x1509), /* Steinberg UR22 */ /* Fixed EP */ /* FIXME: check the availability of generic matching */