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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFF95C433F5 for ; Wed, 11 May 2022 12:00:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238741AbiEKMAE (ORCPT ); Wed, 11 May 2022 08:00:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238801AbiEKMAB (ORCPT ); Wed, 11 May 2022 08:00:01 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C35B2438D6; Wed, 11 May 2022 05:00:00 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id y21so2282375edo.2; Wed, 11 May 2022 04:59:59 -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=3eEpM+FBBTw194C71zX34kjk6ylwP+rd4n2HSuTY7Nw=; b=MRgaBpz/RsKSinth52qx2FJq+/0G6AQQtuh9XafwkipCFyBfMsll+OtwaBTOaK6U0H H7PJT2ZEWiTy3wnYZwGXp3e0+x4liCmtj/l0szWpbInYR6BImbfsFYgybhVyXKkBdVgY EpQDXwSbw1en/6Ne3dtUK0D7uQYvxwA8WPcij/ERPcWO0aW4O0wNdizWLhJ7kly24OJd nAzzKkz1V/2zAsWNiOdObrs0H9fLFcMOyri0f7uIhMFskJ17XAed4uvb5E7mWQE7zs7m AueUActhEfLyPC/GNeMOmbABJd8LYLHE4C3BhZhwVZCKxaAJSFJFMB2Fcv+6dpT/etK5 7RgQ== 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=3eEpM+FBBTw194C71zX34kjk6ylwP+rd4n2HSuTY7Nw=; b=nUKKFllc9EO36okTFKvDiKh6SW0fOLQodGTW//E7BC3Jahg6Xt5edVfozv3VoqJw6R uwC9iWKV6P1Z6pmEt/5F0Ie3aEQ/rQ5KdHhXZtU+q/OXwcsNFTNAFsWk1txOJIW45OI5 k6Awd17GSZ4BAIdZjA0qfZNwaHFk3hOUCLFYBYbxWeDb01IXzCU0jdqFSSMxLMgneZdL saKZVSKLX+7avZ1PJjoBZRCED3eH30uRjPaQ/xcTn0vrCkfrIiv8d+AIbk6yV8xVTobS kc96IxDHBfa0Vojx86X2rTrpDMJE4DO9ccMqEzhbNCZEIdht1bWT7j1JgpfOMjPPdUso aYsA== X-Gm-Message-State: AOAM532RVdfaVfqUmpKZz4G4hHcHe/tIJPPBsr/fXWeaSQhFU3hLTJtD nDNx9uKWxkpcATJcR47SulUI3CVIxzo= X-Google-Smtp-Source: ABdhPJzG5hQF6/6whSh+Q6bYm+jLDCxI1y2bcjo9ORc2L/YKy513EqsfKP2t6gWyBKGIfmwPWt5kLg== X-Received: by 2002:a05:6402:424c:b0:427:eae2:ed09 with SMTP id g12-20020a056402424c00b00427eae2ed09mr28523662edb.376.1652270398431; Wed, 11 May 2022 04:59:58 -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 g6-20020a50d0c6000000b0042617ba63aasm1089279edf.52.2022.05.11.04.59.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 May 2022 04:59:57 -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 v2 4/4] ARM: dts: imx6qdl-colibri: backlight pwm: Adapt brightness steps Date: Wed, 11 May 2022 13:59:10 +0200 Message-Id: <20220511115911.54960-5-max.oss.09@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220511115911.54960-1-max.oss.09@gmail.com> References: <20220511115911.54960-1-max.oss.09@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- Changes in v2: - add reviewed-by tags - Split the Backlight PWM patch into two patches, a) #pwm-cells 3, b) adapt brightness steps - Split to two patches as proposed by Fabio Estevam arch/arm/boot/dts/imx6qdl-colibri.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi index d91fae92c90a..023e76215064 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -14,8 +14,8 @@ 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 26 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_gpio_bl_on>; -- 2.20.1