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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 98AA4C433F5 for ; Tue, 11 Oct 2022 15:04:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=D39u2hC7r49YlsOzsMR64PPzko5N2ZUuLVJYGdaKtOc=; b=XgBOWWReRbqYh8 xpbB7A/fFSXzi2W6qx0/RK/C8uFT0pvu51eMAznFPSwyf89Ya/cT04RlXn70vp6W57apDgL1EQ0ki +rI6swgJT1pLyCbSnaLIJYuJo+rC6+xstHrZT6Wh0IkZ+eQPqDsn5JfLWMR2sKKREs+xEJ9v5JbSb azQ+d0CYTiD23clQZXxbc3cQ/rTiKyHKhWu0xnxhtGqkIJAYi4SSbWUhnUqptdveO/88yvwZfWvsG WKQoBM/Tg94j84ZdV9uTKm5RJZTYc0pETEDMWbeDeIwlY3plGEgcy9FRCK/Vle/8il9OMsD43ATAI LQDXjuT5seTrRNn0N6Gw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiGn0-004dog-W4; Tue, 11 Oct 2022 15:03:27 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiGba-004XtG-Gb for linux-arm-kernel@lists.infradead.org; Tue, 11 Oct 2022 14:51:40 +0000 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 F2FC7B8124E; Tue, 11 Oct 2022 14:51:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4653C433C1; Tue, 11 Oct 2022 14:51:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665499895; bh=TFkYDQTo+MERwO8gOThbSXUjbvCCDkJ5nnmW4IxuXw0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UUfdIKygHYbCPmeNZkaM5l2hoydM7kujSZ1EcX4l8oKBn1jSU2gmn+nHPzKpSNP2h UQN4fkj8rspkz+XbljHpHyw4XAfNxtZN6e891vtY40HDCEWjav+pcbZXKVAUU9qiBB en0DAcHlgjmUtjK/cd3RFu3R8QBAbYRSsxEXcvNBE7eIxTs6jPbWanDRi2YieHhTBk cSut6ugLR/lA7QNKTtBcJ6TJAnx2YFjb2EUJ+7nIpNF1F8yGAl1WnxgCqul3dVNNc5 0YYNPZlwaDEYPP0n+k65AgBiqazLdGFgsiXbV+tmY2sUkCD7fPLXeSVxnKVpjjuLdj rDucrRlqF+gdg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Haibo Chen , Shawn Guo , Sasha Levin , robh+dt@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.19 03/40] ARM: dts: imx7d-sdb: config the max pressure for tsc2046 Date: Tue, 11 Oct 2022 10:50:52 -0400 Message-Id: <20221011145129.1623487-3-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221011145129.1623487-1-sashal@kernel.org> References: <20221011145129.1623487-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221011_075138_753058_BF2A8B21 X-CRM114-Status: GOOD ( 12.94 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 f053f5122741..0fe0a2f5e433 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -206,12 +206,7 @@ tsc2046@0 { 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; }; }; -- 2.35.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel