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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 2EEDBC4338F for ; Thu, 29 Jul 2021 15:09:20 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (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 DC7F960EE6 for ; Thu, 29 Jul 2021 15:09:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DC7F960EE6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=vt.edu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.94.2) (envelope-from ) id 1m97e2-0000hE-Bg; Thu, 29 Jul 2021 11:08:22 -0400 Received: from mail-qt1-x82f.google.com ([2607:f8b0:4864:20::82f]) by shelob.surriel.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1m97cW-0000Ye-4V for kernelnewbies@kernelnewbies.org; Thu, 29 Jul 2021 11:06:48 -0400 Received: by mail-qt1-x82f.google.com with SMTP id a12so4136763qtb.2 for ; Thu, 29 Jul 2021 08:06:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vt-edu.20150623.gappssmtp.com; s=20150623; h=sender:from:to:cc:subject:in-reply-to:references:mime-version :content-transfer-encoding:date:message-id; bh=hESgGR2wSgK+tr32kgV4u5yjQSSlYUpBWTBaaiPceXU=; b=k9P2wodheHPPxrGkhzaOle2vYkAAkfgE3Hm1iq7UvE2x4YwNLaKDKJIxh5Fon6Co4G G4YiFtiOOVe4iRYkoRQ4Ei25nb1jdwDRe+UJTwhjv3x8KcHJoJgRb4MGV2qtXA0TPSVS uYewEu9O1+fxPONPd1yLrgUzS7ImteV5SiVnmcKkFda1JdzWtiObwSMEl/a9S4KCKoNS BxIPcxQ6rdsTFpquaSzmh93jjawC4dpMttxi8vmeafuSmKqPj1hFNnEsQSJSKZ/Jt2n8 H8vdSgHVQGNXPAzvmNme3ua2MvLuUX5Qk4A6zgUFEaQVmOfrf8o3J/wvhEKuheawZ1jD lakQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:in-reply-to:references :mime-version:content-transfer-encoding:date:message-id; bh=hESgGR2wSgK+tr32kgV4u5yjQSSlYUpBWTBaaiPceXU=; b=XjqaVcdcXkYm6qZdG51M3ttq1MM/FEaQZrvk1f7QljmXzuox2MlWE0wVQhXuRuTAGO WKplo0u4Yi86QLUuEAQLEhWEwjFRoRhAHH5wRomibR1sp+ck4Vz8MSmjiYKw0W0OsoBU ozKTEBPhHJOZe/+4RHbqmvjj1AYUxfS4OEd1dEx/o3LG+BUh6pp5cp5N1gfwa8LaUS6y n17sYl4xfq2qgqgnFf8yNrh4rmqX/BEJOyJZL4FgV5E4DWHCPOgsKPIhFKckl2O9YY5M IrbaO/mIYwHOdFDfsuMlRqVz2ffq64ZCqVPhl0s7Jw8bYtQk61mbuXhxp7E236jqBuN8 DzOA== X-Gm-Message-State: AOAM533yGguM4Ta0XPQ6Zc9HieDHgb07l4LnenU5PnbNw2gbE23Cn7GI vSryhH5pqnofg8aHaa0rjHinCg== X-Google-Smtp-Source: ABdhPJzjA5w/G6tbeU35ZKGU+lTp87mef50WXdQwj1ksh4LAdf7Z6aPYEw9w91FDN5Z7UwZDweT+DA== X-Received: by 2002:ac8:7953:: with SMTP id r19mr4556139qtt.28.1627571206364; Thu, 29 Jul 2021 08:06:46 -0700 (PDT) Received: from turing-police ([2601:5c0:c380:d61::359]) by smtp.gmail.com with ESMTPSA id d19sm1859870qkn.94.2021.07.29.08.06.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Jul 2021 08:06:45 -0700 (PDT) From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Google-Original-From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Mailer: exmh version 2.10.0-pre 07/05/2021 with nmh-1.7+dev To: Jorge Fernandez Monteagudo Subject: Re: Multi-touch USB weird response In-Reply-To: References: Mime-Version: 1.0 Date: Thu, 29 Jul 2021 11:06:44 -0400 Message-ID: <153034.1627571204@turing-police> Cc: "kernelnewbies@kernelnewbies.org" X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1227688306406274572==" Errors-To: kernelnewbies-bounces@kernelnewbies.org --===============1227688306406274572== Content-Type: multipart/signed; boundary="==_Exmh_1627571204_13589P"; micalg=pgp-sha256; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit --==_Exmh_1627571204_13589P Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Thu, 29 Jul 2021 12:57:03 -0000, Jorge Fernandez Monteagudo said: > Event: time 1627381396.770902, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP),= value 35023100 > Event: time 1627381396.770902, -------------- SYN_REPORT ------------ > Event: time 1627381396.780891, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP),= value 35029400 > Event: time 1627381396.780891, -------------- SYN_REPORT ------------ > Event: time 1627381396.789895, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP),= value 35035700 > Event: time 1627381396.789895, -------------- SYN_REPORT ------------ > Event: time 1627381396.798896, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP),= value 35041900 > Event: time 1627381396.798896, -------------- SYN_REPORT ------------ > Event: time 1627381396.807889, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP),= value 35048200 Looks like somebody's got a timer that pops every 0.01 seconds or so.=20 (looks closer to 0.0098 or so actually) 'git grep SYN_REPORT' tells me that these two files are a good place to s= tart reading: Documentation/input/multi-touch-protocol.rst=20 Documentation/input/event-codes.rst=20 --==_Exmh_1627571204_13589P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Comment: Exmh version 2.9.0 11/07/2018 iQEcBAEBCAAGBQJhAsQEAAoJEI0DS38y7CIcQPEIAJKGNNNfiYk9I9uty1NpUa4j 2mJK0RaLoUeVJGD0couiOL3Y5XFpgh9Mv3hOD3B4pt8yksuL4IkXYWXhEcrtPnQ0 zSli9OOJ08MFxDDFwrFX83c2/ZHbBs/K7blESMaTeTfZ2N/7LXnC1aetgipOWY1d ovjSyudbcxuLU+QHUJOZKOT+0JPZbOc5nLIAn8LC1acwi0DqaJZkpz7wYaD7LXd/ s+/BTf5e55YNdcL3oomKztObRCHdo3fx3n+kApHPbi800ph7FRrIkJrkEpBHIRHi MK2/+0bWdETZDgkFQoaC+iJL+G/khIjSZnDxtOTGHIKfUEAqDb1L/+eEvy2c1bo= =cmXU -----END PGP SIGNATURE----- --==_Exmh_1627571204_13589P-- --===============1227688306406274572== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies --===============1227688306406274572==--