linux-kernel - [PATCH 5.10 068/152] ARM: dts: ux500/golden: Set display max brightness

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Message-Id: <20210118113356.046346753@linuxfoundation.org>
Date:   Mon, 18 Jan 2021 12:34:03 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Linus Walleij <linus.walleij@...aro.org>,
        Stephan Gerhold <stephan@...hold.net>,
        Arnd Bergmann <arnd@...db.de>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 068/152] ARM: dts: ux500/golden: Set display max brightness

From: Linus Walleij <linus.walleij@...aro.org>

[ Upstream commit 7887cc89d5851cbdec49219e9614beec776af150 ]

A too high brightness by default (default is max) makes the
screen go blank. Set this to 15 as in the Vendor tree.

Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Cc: Stephan Gerhold <stephan@...hold.net>
Link: https://lore.kernel.org/r/20201214223413.253893-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/ste-ux500-samsung-golden.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/ste-ux500-samsung-golden.dts b/arch/arm/boot/dts/ste-ux500-samsung-golden.dts
index a1093cb37dc7a..aed1f2d5f2467 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-golden.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-golden.dts
@@ -326,6 +326,7 @@
 				panel@0 {
 					compatible = "samsung,s6e63m0";
 					reg = <0>;
+					max-brightness = <15>;
 					vdd3-supply = <&panel_reg_3v0>;
 					vci-supply = <&panel_reg_1v8>;
 					reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
-- 
2.27.0