From patchwork Mon Oct 24 11:31:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 8678 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:6687:0:0:0:0:0 with SMTP id l7csp422246wru; Mon, 24 Oct 2022 05:22:11 -0700 (PDT) X-Google-Smtp-Source: AMsMyM5hDkxNWySRjxkj3IMhg5bODMcnYK7Vf8IpTn7WTCa+7dqKOPz2lel4lIQqVwe2ML6WylJ5 X-Received: by 2002:a05:6402:5202:b0:461:b7e3:e6b7 with SMTP id s2-20020a056402520200b00461b7e3e6b7mr5881982edd.282.1666614131424; Mon, 24 Oct 2022 05:22:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1666614131; cv=none; d=google.com; s=arc-20160816; b=C2W2z0c+bs/fc0PbPMOTA+hdVR0V8qPD/UejkVRW2qjYS9qhkk4L8L29A+wop2Ou7m Ofbfm11R0D6koPQNoSpr/QXwO7V7HzQHYM1wPsg8udUwF6qGiGQwfIwn8GiEB+0H58to uAMiCo9smRstWYu6GLnVjOYIAcVPAJOYiCow3ZM8T1mGcPkjc55ZqcUE7n4ra0x8GeOS 6NrtCvwOYddVHsKRyIeS+2zT8HJPvAug+KWsQ8Iy9f/dr/T/n1RQ2P2j3Y7WgtMUIEkH OWtjmJLdD/tti+GhUuY1KlKVX0xrNRaU82RD0HSUKB04RA+Cs7AgukDQj4+8FnTOJisv K6uA== 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=t6pYzKf+dV9VwI5u7zUX4dad6lryZX4VT26odLCVul8=; b=bgwH/LFPErdoGngUzxyqdM7JID8GRzNhpSE3QqmiErw75viKAen4ytCuKtKtj2Ydcc 1FLLw/vDJoB3uORYV25203/sLe8kXlm9fiJTlQe0ICqRoPDsbw4CORT8Dp6hKV5GUYx/ lYiBodjoGfxLjOUQ9hDN12irsuk51BmemA7BrUitbne0NQfSEBnz7NeftIosxMdRIqwZ hF+pCNVhKysopqpFmAloy9zxWFjJuPTaRXQR9NU8j0gzxtKyusnptakioN7H5KeMQ/zi N8Z+jhQ/J+AfW2A1oMaLYYvDht4v3IHRcj/34kCRFVrKpxG+WUJIdhBnwqaC4/WN94CN /M+Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=Cemfjvw4; 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 s16-20020a056402015000b0044f2fb68fe6si23810549edu.495.2022.10.24.05.21.47; Mon, 24 Oct 2022 05:22:11 -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=Cemfjvw4; 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 S233139AbiJXMUE (ORCPT + 99 others); Mon, 24 Oct 2022 08:20:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233247AbiJXMSr (ORCPT ); Mon, 24 Oct 2022 08:18:47 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CA477A755; Mon, 24 Oct 2022 04:57:08 -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 BEACFB811A5; Mon, 24 Oct 2022 11:53:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17883C433C1; Mon, 24 Oct 2022 11:53:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666612415; bh=K3g/bipyVgdvYf1/LyeYSi4TuDtWzk3v8S4uK1wu3Kk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cemfjvw4/M4xVYQR9G5joEEiZLIMCiqK19OEsr2Pxnm+AObxcM68diU5zEJknvt5J Jcxrb//gLX9HwsE5mdOuEgoKLO6ckjqnp45MmLK70DahiaYRhN6E14Y07/F+L0HMvy sylrQ+m/jX1tPwn4EScFS7OaAgkbvOJY3WGaSGes= 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 4.14 189/210] ARM: dts: imx7d-sdb: config the max pressure for tsc2046 Date: Mon, 24 Oct 2022 13:31:46 +0200 Message-Id: <20221024113003.089705113@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024112956.797777597@linuxfoundation.org> References: <20221024112956.797777597@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?1747571579621294554?= X-GMAIL-MSGID: =?utf-8?q?1747571579621294554?= 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 255e64ba32e2..7cf6557f4afc 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -179,12 +179,7 @@ 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; }; };