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=-3.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 7E8A2C433FE for ; Tue, 8 Dec 2020 14:59:00 +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 4AE4723975 for ; Tue, 8 Dec 2020 14:58:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4AE4723975 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.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 89D3F16C9; Tue, 8 Dec 2020 15:58:07 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 89D3F16C9 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1607439537; bh=7Gu+hjLBj/ekXP4mhVO/HAGiIJBXjipnm2DiHr4oTHA=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ow3BdUrwQ1QKc3oGPi1j8RV/RTJm9YPZM7oTpH1/dSsXT7THXLCB+OSOBOgPSoHlK G0WEEzXUc3d8W1+NN1p1z+h8H7afIjGfd27YQTxrGi+msHt7Cv1Y8sJ1Im6RnU0Lpj 7RAcDjYYvBNcDZOrHko+wnh7j2fJKz/eR2iffC4w= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 0427AF80164; Tue, 8 Dec 2020 15:58:07 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id C3D82F8019D; Tue, 8 Dec 2020 15:58:05 +0100 (CET) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id B119BF8010A for ; Tue, 8 Dec 2020 15:57:54 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz B119BF8010A X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id DEB60AB63; Tue, 8 Dec 2020 14:57:53 +0000 (UTC) Date: Tue, 08 Dec 2020 15:57:53 +0100 Message-ID: From: Takashi Iwai To: meschi@posteo.de Subject: Re: Steinberg UR22 Crackling and Clicks In-Reply-To: <61da73624ff3855867b8e65936fc2e1c@posteo.de> References: <61da73624ff3855867b8e65936fc2e1c@posteo.de> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII 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" On Tue, 08 Dec 2020 15:50:28 +0100, meschi@posteo.de wrote: > > > It's likely the issues with the implicit feedback. > > > > The latest development tree (either linux-next tree or > > topic/usb-audio-refactoring branch of my sound.git tree) contains the > > improvements of the implicit feedback mode. > > > > > > Takashi > > Here is the cropped lsusb -v output: > I also have dmesg output with debug boot flag enabled. > > Bus 001 Device 003: ID 0499:1509 Yamaha Corp. Steinberg UR22 OK, so it's a different device than UR22C. Try to pass the module option quirk_alias=04991509:0499172f to snd-usb-audio. This will make the device compatible with UR22C. Takashi