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 26492C4332F for ; Mon, 7 Nov 2022 01:35:13 +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 58D4D1EB; Mon, 7 Nov 2022 02:34:21 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 58D4D1EB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1667784911; bh=c6gfSvzCnsTyGBLe33w74JaUEzLQ/NkcpE4ib9BwGY8=; h=From:Subject:To:Date:References:Cc:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From; b=pAfSyz5wKLgXgWTb2UeF/cqk1V8ACAV7s283HaWCEnB/9XBpJGPrBNusQNRjFKrUx HloYjiWnNflFqjYObflJIk5OLfDjUj5RaMU7QiqoC3H1Xg7zJijAesqplpFPAWD7Qb NlQ6KWzhRrC10rxt+WCJgCsDmR4K/zB0+r22/9Xo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 0069DF80118; Mon, 7 Nov 2022 02:34:20 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 22B53F80137; Mon, 7 Nov 2022 02:34:19 +0100 (CET) Received: from mailgw.kylinos.cn (unknown [124.126.103.232]) (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 8ACD7F800BB for ; Mon, 7 Nov 2022 02:34:04 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 8ACD7F800BB X-UUID: 64a417c4e36449f6abfab5e360c125df-20221107 X-UUID: 64a417c4e36449f6abfab5e360c125df-20221107 Received: from cs2c.com.cn [(192.168.0.8)] by mailgw (envelope-from ) (Generic MTA) with ESMTP id 1108827578; Mon, 07 Nov 2022 09:34:08 +0800 Received: by cs2c.com.cn (NSMail, from userid 0) id 9346E18D0E095; Mon, 7 Nov 2022 09:33:57 +0800 (CST) From: =?UTF-8?B?6Im+6LaF?= Subject: =?UTF-8?B?5Zue5aSNOiBSZTog5Zue5aSNOiBSZTogW1BBVENIXSBBTFNBOiB1c2ItYXVkaW86IGZpeCBIYW1lZGFsIEMyMCB1c2IgY2FtZXJvIGRpc2Nvbm5lY3QgaXNzdWU=?= To: =?UTF-8?B?VGFrYXNoaSBJd2Fp?= , Date: Mon, 07 Nov 2022 09:33:57 +0800 X-Mailer: NSMAIL 6.0 Message-ID: <1ky6wp89pgz-1ky6wp89ph0@nsmail6.0> References: 87pme3jazk.wl-tiwai@suse.de X-Delaysendtime: Mon, 07 Nov 2022 09:33:57 +0800 X-ns-mid: webmail-63686085-1ky86n1o MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, tiwai@suse.com 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" Yes, the audio device is a UAC1 device, and it used set_sample_rate_v1 to set sample. So, I add a quirk to keep up the USB interface up even if the audio stream is closed. ---- 主ãé¢ï¼Re: åå¤: Re: [PATCH] ALSA: usb-audio: fix Hamedal C20 usb camero disconnect issue æ¥ãæï¼2022-11-04 17:59 å件人ï¼Takashi Iwai æ¶ä»¶äººï¼è¾è¶ On Fri, 04 Nov 2022 10:50:48 +0100, è¾è¶ wrote: > > I 'm sorry, I don't know whether you receiver my mail for 'lsusb -v' to > Hamedal C20 I received your previous mails including lsusb -v output. But the post was filtered out by some reason? So the audio device looks like a UAC1 device. And this one requires to keep up the USB interface up even if the audio stream is closed (not about the parameter changes)? Takashi