From patchwork Mon May 16 11:58:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Krummenacher X-Patchwork-Id: 573103 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84A5CC433F5 for ; Mon, 16 May 2022 12:01:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243311AbiEPMBN (ORCPT ); Mon, 16 May 2022 08:01:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243459AbiEPMAO (ORCPT ); Mon, 16 May 2022 08:00:14 -0400 Received: from mail-ed1-x52d.google.com (mail-ed1-x52d.google.com [IPv6:2a00:1450:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B66B1707C; Mon, 16 May 2022 04:59:44 -0700 (PDT) Received: by mail-ed1-x52d.google.com with SMTP id i40so2959573eda.7; Mon, 16 May 2022 04:59:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=U5klBQd+5VVDxjdh+quG2QVbCvgSx+FMLRBxcvrncEk=; b=CIjZSaFko+8bhEs+vM+NHZRLIWaxag02GeoxPgnAnBPYuHptRPYOxjhBh4yiPk3KWi lImIw6IM6aXA893VEOO5ACf6D0mIsHIaHMEqAhmJsTNy/mUTCpuRnmZzxtJcDrmX21Mc c2uP4QbHlnJ9tlYnI5K6rRzIYXUU6UCbI3p2x2UStYk8HT2lEkHRAjSylYg+dq/pEiK+ 4SrDV5LWLog34KJLk2Ef9uAe1T37AG+KCE2BxDMW2LZQayXcrk6uJx6n7enSwnmGq913 U9V8so1/AHdkDzGBXyiwYPxYaEpgZCOwgKS+ooKUxcZOpxlOZmm0Ew8l3C5p757jKtdw xgvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=U5klBQd+5VVDxjdh+quG2QVbCvgSx+FMLRBxcvrncEk=; b=DqRqK6KqLmZPKYYTGmK7K03mQ/i/pUmYy+SeF7sKpnPJNtKNIgg324KKEI5iHNwlAP DKWiA/5q74pmu94SMg125GjmqLDPYeb8jtxjo3OSi5oniQMYbUV0gagUo4ts2J0Juzdu kTFFPUpCOdI5acCkk55AC3sMG41tu8pbkfx2daQMHevWXPQu++RMj88xCDhN1R7yRxPs JQw/m29dIDZ4el5qzNrx5R3nSAZ4DRhtdTRfgnwVDMJz1djXXDYZsty7xdrYitMKdnF6 E55Yz28k3flqFdFWTDnEBmWyNlj8q2ASD6ldAl69UZ7v65BEBDEU+OGoqxycIvbZzzZ2 B2xA== X-Gm-Message-State: AOAM5309CWJe7+gMlFIt+28iKcXs2mlPBw4ynGrjP3DJgh4X0XuCHS+C coSsIEtWJqM95SSeGhhO764= X-Google-Smtp-Source: ABdhPJx1JBFiuRd9VuE61SGGK9mBPT3srwZOBVe7F0qmyVKKeBVfcHi5qM+43lnihoMWKUkZKugJ8A== X-Received: by 2002:a05:6402:354a:b0:427:d0e1:8ef3 with SMTP id f10-20020a056402354a00b00427d0e18ef3mr12799717edd.66.1652702382458; Mon, 16 May 2022 04:59:42 -0700 (PDT) Received: from linuxdev2.toradex.int (31-10-206-125.static.upc.ch. [31.10.206.125]) by smtp.gmail.com with ESMTPSA id s18-20020a170906779200b006f3ef214dacsm3711008ejm.18.2022.05.16.04.59.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 May 2022 04:59:42 -0700 (PDT) From: Max Krummenacher To: max.krummenacher@toradex.com Cc: Fabio Estevam , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 16/17] ARM: dts: imx6q-apalis: backlight pwm: Adapt brightness steps Date: Mon, 16 May 2022 13:58:44 +0200 Message-Id: <20220516115846.58328-17-max.oss.09@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220516115846.58328-1-max.oss.09@gmail.com> References: <20220516115846.58328-1-max.oss.09@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Max Krummenacher Adapt the brightness steps as the backlight doesn't light up for very low duty cycles. Signed-off-by: Max Krummenacher --- arch/arm/boot/dts/imx6qdl-apalis.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi index 49669caac8b7..62d9d907432c 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi @@ -20,8 +20,8 @@ backlight: backlight { compatible = "pwm-backlight"; - brightness-levels = <0 4 8 16 32 64 128 255>; - default-brightness-level = <6>; + brightness-levels = <0 45 63 88 119 158 203 255>; + default-brightness-level = <4>; enable-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_gpio_bl_on>;