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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 4DE05C2BA1A for ; Fri, 24 Apr 2020 09:43:48 +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 02C8120736 for ; Fri, 24 Apr 2020 09:43:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="tJhSSwfJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 02C8120736 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ivitera.com 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 3911E16A0; Fri, 24 Apr 2020 11:42:56 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3911E16A0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1587721426; bh=JjIoxWVcUliw/YoRHEQcFjgb5wxq6gpTA1cgjePV/R0=; h=To:From:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=tJhSSwfJsEunkJhpHFSVstGTZ75VA9d0SnnudDbTdgaEu4RD1z3BwvLHFzBs6GgZT 5SaKHrig0CWdzPGuDo1YyXFyNPvHBdhr7j+MNlsQXyV6f01fCTcrjFWDoRoxkTOPH5 hZk3J/aYiMoTnHV/16TMNsXuaveyehIw+oeiXkTs= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id CCE15F80121; Fri, 24 Apr 2020 11:42:55 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 1FF4FF80142; Fri, 24 Apr 2020 11:42:54 +0200 (CEST) Received: from cable.insite.cz (cable.insite.cz [84.242.75.189]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 63D64F800BE for ; Fri, 24 Apr 2020 11:42:46 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 63D64F800BE Received: from localhost (localhost [127.0.0.1]) by cable.insite.cz (Postfix) with ESMTP id A8DE1A1F2B0B3 for ; Fri, 24 Apr 2020 11:42:45 +0200 (CEST) Received: from cable.insite.cz ([84.242.75.189]) by localhost (server.insite.cz [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4ee-99CBHGFk for ; Fri, 24 Apr 2020 11:42:40 +0200 (CEST) Received: from [192.168.105.191] (ip28.insite.cz [81.0.237.28]) (Authenticated sender: pavel) by cable.insite.cz (Postfix) with ESMTPSA id 57214A1755F1F for ; Fri, 24 Apr 2020 11:42:40 +0200 (CEST) To: "alsa-devel@alsa-project.org" From: Pavel Hofman Subject: High-bandwidth/multiple transactions per microframe in usb audio? Message-ID: Date: Fri, 24 Apr 2020 11:42:35 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Language: en-US Content-Transfer-Encoding: 7bit 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" Hi, Please does the current USB audio driver support multiple transactions per microframe (high-bandwidth mode)? I could not find it in endpoint.c but it may be there or somewhere else :-) Thanks a lot, Pavel.