ARM: dts: ux500/golden: Set display max brightness

[ 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@linaro.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20201214223413.253893-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/arm/boot/dts/ste-ux500-samsung-golden.dts b/arch/arm/boot/dts/ste-ux500-samsung-golden.dts
index a1093cb..aed1f2d 100644 (file)
--- 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>;