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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F28EDC433EF for ; Thu, 25 Nov 2021 12:43:02 +0000 (UTC) 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 DE8A2189F; Thu, 25 Nov 2021 13:42:10 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz DE8A2189F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1637844181; bh=QkzfTNO4kE8lxWt8cJK/QXyrskfUZlPGxQZWsiveeRU=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=pW4i18i/bsryleLk1mCAyZWsXSIw4dmkSlEMZvbf9VvF8u4R6lozUbSAqOmk407K2 IEVdJnGXvD7Y1Sctabv+IGc5/QhUXbtvPTPUCWGoOHNzDMe3FTKNAhfKc3ixYiX1Mq Xry/03v/vuKgpC7/FHIw6dHq+IogyQiJelA5Qrho= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 5E005F80430; Thu, 25 Nov 2021 13:42:10 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id A5A24F8049E; Thu, 25 Nov 2021 13:42:08 +0100 (CET) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 2B34EF8007E for ; Thu, 25 Nov 2021 13:42:00 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2B34EF8007E Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="KIs40uFY"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="ywMr2e3u" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 7B2261FD37; Thu, 25 Nov 2021 12:42:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1637844120; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=DgI6lX+3h2IdM+268k6TLWPle45bM27NglguUxX8tPw=; b=KIs40uFYKWJTBfip1Z1S082YK+CFm/O67T0oAV++wAWbmV3+hltNsCARsiaeQW+hGGYsRP 6IWG//Cu/Bd9tbb/hI23N0nImvwVQucH10foW3sbq3HiNDsBgKx3Jtx7JSMwi1UTgvBGDs n2K+ybQOnjwwR1QAdVZWh9RN895vHYU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1637844120; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=DgI6lX+3h2IdM+268k6TLWPle45bM27NglguUxX8tPw=; b=ywMr2e3uGqFacHruXffquoNRuPswMYsxG0YqDkgop1LvjaSwGdCbHCfv2YWAjkUWynzzps en1OcbFhn8xALxDg== Received: from alsa1.suse.de (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id 76A5BA3B81; Thu, 25 Nov 2021 12:42:00 +0000 (UTC) Date: Thu, 25 Nov 2021 13:42:00 +0100 Message-ID: From: Takashi Iwai To: Hans de Goede Subject: Re: Logitech Z10 USB speakers need a volume change before audio works In-Reply-To: References: 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 Thu, 25 Nov 2021 12:04:41 +0100, Hans de Goede wrote: > > Hi, > > I've a set of Logitech Z10 USB speakers, which act as a USB soundcard. > > They have this weird glitch where after turning off my PC (and their > power-supply as well) and then turning things back on, they are silent > until I change the PCM volume control for the speakers inside > alsa-mixer. > > It seems like they need some "set-volume" command to be send over the > USB bus to unmute them when initially powered-up / turned on. > > Is their some existing usb-audio quirk which I can try to work around this? No such quirk is present for now. Was it tested with 5.16-rc? There was a change in USB-audio driver initialization (commit b96681bd5827) and it might have some effect in your case. Also, it's interesting to know whether it happens also once after suspend-resume, too. thanks, Takashi