From patchwork Mon Oct 24 11:31:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 8852 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:6687:0:0:0:0:0 with SMTP id l7csp432967wru; Mon, 24 Oct 2022 05:48:11 -0700 (PDT) X-Google-Smtp-Source: AMsMyM5EYL9Wj0tHYXWHuqj/n56Y5/mrbiLftJ4FN6nTvjXx96TTBo85YbZP6h0sVa+ZQgyr6Nzs X-Received: by 2002:a65:6c11:0:b0:46a:eec8:19f7 with SMTP id y17-20020a656c11000000b0046aeec819f7mr28468472pgu.478.1666615691356; Mon, 24 Oct 2022 05:48:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1666615691; cv=none; d=google.com; s=arc-20160816; b=Py8E+CqTo7ynck60iPerNGrr5PWmRfdWxTDgsECHIMP02URTcJSFHzyItWSM9CJF9t qPbE8nGdiycqzkmOgYK4IyUK+MmheByORRkrNKDyIz16xaMkna0ppHPcevwDaWkP0JAQ MPGxf/LQcJDWwt/tsVfgcRoDDvog5tiieBU8Tq3P+mcz0VHbaAfpeXM++fuNbZW0hHMz ISjxmz6QHKVlEw10SY0s/ODY3t+IC4UrBguSHYA8EedaZYnRFKqYlbA7aFj/Qfkvt6XR EybbyNTHoK6vitfSU9QfXnK8hzZw9ioCKKGjluC1V/EFoi8tyULk55IcSHaHE13YFMt+ rK2w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=13R6P2gGiq7QWLIKyqytanzjXJjtBqE8gQlLhxZcEYE=; b=S3f139gZCKWXSrC9v57E5v7l4B+0eoIUmdAlgXHJWDjv4MSbZmraVQKKqcSycTJkNw kAX+B4txNuT+ffodspBs9cGCFRplUDt5ds/wqMhnd5co46RfkIy7hx0ZUMalpEMH6U/7 /qsV/XGcwsNeIBUS4sliXygry1wA8SD4gQaOgD3HgaqiyUlLi4zW7UIXoBy+4NWNGXpn GR3+ocY8+SgKRgZp10ssjrf45apfQTlKP2PPj6OmFlz3Z6kIrB3ll8S3fmsze6kQluGs k2ujb0pXFKkNw26KtGseO0Y4nRTjB2nLV5dtue1LHyyOHuPUdhLH6wP1L1hL0X0xaLeu T/Qw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=nIjiJGJW; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id rm1-20020a17090b3ec100b0020593d282desi17992601pjb.12.2022.10.24.05.47.58; Mon, 24 Oct 2022 05:48:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=nIjiJGJW; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234099AbiJXMjA (ORCPT + 99 others); Mon, 24 Oct 2022 08:39:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234651AbiJXMfj (ORCPT ); Mon, 24 Oct 2022 08:35:39 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25ADC474FA; Mon, 24 Oct 2022 05:05:38 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 16DA0B811F9; Mon, 24 Oct 2022 12:03:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65061C433D7; Mon, 24 Oct 2022 12:03:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666612998; bh=bWLgJsdT1xT7yzgqkpyFEL+i9+i23FLq//RwWqB7Aog=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nIjiJGJWL5KcR/k5FoHk8Qb6H0s9OYt8q25g7mFYY8NdNkpanM2ygREKS1FaIY3cY BxrkjZNo3tOTKP8Vf4p8XqOqF2XV7xzh6BU7Y0BZCwnD7qVnVUTEIbxidotIlnw6bJ erLYqMb4M5xuydPoU/pd+viZvDoYVzYG4uHFvr8k= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Haibo Chen , Shawn Guo , Sasha Levin Subject: [PATCH 4.19 200/229] ARM: dts: imx7d-sdb: config the max pressure for tsc2046 Date: Mon, 24 Oct 2022 13:31:59 +0200 Message-Id: <20221024113005.616360725@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024112959.085534368@linuxfoundation.org> References: <20221024112959.085534368@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747573215142173549?= X-GMAIL-MSGID: =?utf-8?q?1747573215142173549?= From: Haibo Chen [ Upstream commit e7c4ebe2f9cd68588eb24ba4ed122e696e2d5272 ] Use the general touchscreen method to config the max pressure for touch tsc2046(data sheet suggest 8 bit pressure), otherwise, for ABS_PRESSURE, when config the same max and min value, weston will meet the following issue, [17:19:39.183] event1 - ADS7846 Touchscreen: is tagged by udev as: Touchscreen [17:19:39.183] event1 - ADS7846 Touchscreen: kernel bug: device has min == max on ABS_PRESSURE [17:19:39.183] event1 - ADS7846 Touchscreen: was rejected [17:19:39.183] event1 - not using input device '/dev/input/event1' This will then cause the APP weston-touch-calibrator can't list touch devices. root@imx6ul7d:~# weston-touch-calibrator could not load cursor 'dnd-move' could not load cursor 'dnd-copy' could not load cursor 'dnd-none' No devices listed. And accroding to binding Doc, "ti,x-max", "ti,y-max", "ti,pressure-max" belong to the deprecated properties, so remove them. Also for "ti,x-min", "ti,y-min", "ti,x-plate-ohms", the value set in dts equal to the default value in driver, so are redundant, also remove here. Signed-off-by: Haibo Chen Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx7d-sdb.dts | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts index 317f1bcc56e2..bd2c3c8f4ebb 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -163,12 +163,7 @@ interrupt-parent = <&gpio2>; interrupts = <29 0>; pendown-gpio = <&gpio2 29 GPIO_ACTIVE_HIGH>; - ti,x-min = /bits/ 16 <0>; - ti,x-max = /bits/ 16 <0>; - ti,y-min = /bits/ 16 <0>; - ti,y-max = /bits/ 16 <0>; - ti,pressure-max = /bits/ 16 <0>; - ti,x-plate-ohms = /bits/ 16 <400>; + touchscreen-max-pressure = <255>; wakeup-source; }; };