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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 191DCC47404 for ; Mon, 7 Oct 2019 07:45:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E9FAF2133F for ; Mon, 7 Oct 2019 07:45:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727252AbfJGHp1 convert rfc822-to-8bit (ORCPT ); Mon, 7 Oct 2019 03:45:27 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:39123 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727115AbfJGHp1 (ORCPT ); Mon, 7 Oct 2019 03:45:27 -0400 Received: from mail-pg1-f198.google.com ([209.85.215.198]) by youngberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1iHNht-0007ds-BR for linux-input@vger.kernel.org; Mon, 07 Oct 2019 07:45:25 +0000 Received: by mail-pg1-f198.google.com with SMTP id r25so1863074pga.20 for ; Mon, 07 Oct 2019 00:45:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:message-id:date:cc:to; bh=vEuH2bRCO9qIKoewfyYnOM95mPIls7xJzpSnS5DmW6c=; b=Fvf4WOtexP+A8dz2YXjmGHxcd75L7okFV4Toi/Y92OxZPwJV+a97UGuo/g74fEBAKr nYQPRxpG6ur9b/W5yPy0OvPXi9ygIJ7NNGSdVBrENLjitdJR0XtYsM6GPV1r523slk4V w2TXkvkv9OKuOVewOaBX+xBuchw+9ucU4HFdG7x8nkNatWrX5rIxl4Z5rCQy6TgNhzHJ Y+zaRUMcf8eaEWtVA49EzcWuXhDznz0pGtGcmJdst5TSUtlfTupfyQj9USPmlIsnOlsl bQAd6tbuZUS2YPNIyPVckkAuDQcq8vFERU+erSDnCHC6VoxJ6zJ8fMoBzSyFxg6mkbhq 697A== X-Gm-Message-State: APjAAAVm9nhGysALKsLlPCS8Kl6YBiHCysFAVVVHaUegc2x4mcuB6iv4 ZAsXNyPsPY82aMFVqVJN8KSWSU7D4fUteJfybbRZVwB674Gd0tpUz8jofs40I6GI7bX0YPVhryc vsxv0ZvMzH8dsCpwZuaNfFgrDyj75frvH5qAHbJGP X-Received: by 2002:a63:ab05:: with SMTP id p5mr29112885pgf.414.1570434323820; Mon, 07 Oct 2019 00:45:23 -0700 (PDT) X-Google-Smtp-Source: APXvYqxC1Dz/vvDr2wiPxR+oy5eK2dmwy1bOOzxIvxm4qShOd4q7P6EEQqG9PmoiWAOhiQamku3L0w== X-Received: by 2002:a63:ab05:: with SMTP id p5mr29112859pgf.414.1570434323409; Mon, 07 Oct 2019 00:45:23 -0700 (PDT) Received: from 2001-b011-380f-3c42-ecd4-c98e-b194-f9c1.dynamic-ip6.hinet.net (2001-b011-380f-3c42-ecd4-c98e-b194-f9c1.dynamic-ip6.hinet.net. [2001:b011:380f:3c42:ecd4:c98e:b194:f9c1]) by smtp.gmail.com with ESMTPSA id r11sm12874941pgn.67.2019.10.07.00.45.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Oct 2019 00:45:22 -0700 (PDT) From: Kai-Heng Feng Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3594.4.19\)) Subject: How to make sure touchpad doesn't use psmouse.ko? Message-Id: <7DD64ADB-478C-408C-873D-C07186FEB65F@canonical.com> Date: Mon, 7 Oct 2019 15:45:19 +0800 Cc: Benjamin Tissoires , Peter Hutterer , ray.chen@canonical.com, You-Sheng Yang To: "open list:HID CORE LAYER" X-Mailer: Apple Mail (2.3594.4.19) Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Hi, When we are enabling a new hardware, sometimes touchpad may still use psmouse.ko due to bugs or missing IDs. Is there a way to quickly to determine the touchpad doesn't use psmouse but something like SMBus or HID over I2C? Kai-Heng