From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E0A2641B8F9; Thu, 1 Oct 2026 17:49:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790876987; cv=none; b=CUldiVHntijLdR6ByQ9m5Pe1dd8fNCykNGeg/WGkkxBXgTteOFDZ4whMwEfskuGz4Qg3pyQ7gagI/jk3CsS9J0ib5rYPH2j3ld5BI4ZCTpxJ/XfaEvYiwSs2CHjCcL1yQouzdN/Mm4+ffKU3yzJPE0r6kS78BeZZ3JtFcWSx8a0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790876987; c=relaxed/simple; bh=DkXnUCN05Lq2i3g17GT3ryuN6y+593SpOvc9GyP83yI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qjVFf6LliDM4XM+vuO4WkWnBmdYd8hqWP7KklGhk8+Jrz1ymTAZsLVe95Jmt8ry0ImAHOxcMNtBPJVFDYcIHVQMSlUE/KfCbH0tQFjHddqE/nVvuffIC/H9pEd7bhM2vbImaxVBV4Z+oe9ysx1dGeFc/ksSt7o38+rbupDsvNMg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=F9QEaVCP; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="F9QEaVCP" Received: from francesco-nb.. (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id 03BCD20020; Thu, 1 Oct 2026 19:49:32 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1790876973; bh=bBvSWJey5DYABgnbVHURMRWOEVtheIo6pFXgiypB5gE=; h=From:To:Subject; b=F9QEaVCP9SxNaJnZH0uXy9kvp+MlCdhueQhQzBqhTwpFk1l/r7I7w4jpD1412VwaS YCGVNFdu/4nwjjgyufFAGLSc0Bl5TIjsB/7NBxv2t2nDABfHxY3knP2YTbCzs5ZHSN ytlpVQVexn4W12dM+J7i+6j9bolmyQ267L+oCkEBXwOTkLIV1mIMEmlFesZYySaJWb DIH7RnxVMFEbM5/cbO4i2sxQUAB9B/TqSpdu0S/f36O0MduzYCjFK4YErJ8h5qRzRy e/QUq/taq+Nw8T2vkwojz9KqhFB9PGMeBGYuBQYaP7my70J0Zl2v1B39/9PK10YpR1 HWS2+iJjvshyg== From: Francesco Dolcini To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Francesco Dolcini , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 3/7] ARM: dts: imx6ull-colibri: Align backlight brightness levels with Colibri iMX7 Date: Thu, 1 Oct 2026 19:49:12 +0200 Message-ID: <20261001174924.3831455-4-francesco@dolcini.it> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261001174924.3831455-1-francesco@dolcini.it> References: <20261001174924.3831455-1-francesco@dolcini.it> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Francesco Dolcini The LED driver of the Toradex 7" parallel displays turns the backlight off below roughly 15% PWM duty cycle, with the current brightness levels only the three highest ones produce a visible image. Use the same brightness levels as on the Colibri iMX7, which is used with the same displays, keeping the default brightness at about the same value. Signed-off-by: Francesco Dolcini --- arch/arm/boot/dts/nxp/imx/imx6ull-colibri.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx6ull-colibri.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ull-colibri.dtsi index ec3c1e7301f4..c2f8fd195041 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ull-colibri.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6ull-colibri.dtsi @@ -14,8 +14,8 @@ aliases { 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 = <&gpio1 11 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_gpio_bl_on>; -- 2.47.3