feat(backlight): set default backlight value 255

lin

2025-03-21 c2c82c91f6acd44c57766034b6ced0c53c164a55

feat(backlight): set default backlight value 255

Signed-off-by: lin <lin@kickpi.com>

 longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-lvds-7-1024-600.dtsi
..
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@@ -148,7 +148,7 @@
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                         lcd_used            = <1>;
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                         lcd_driver_name     = "default_lcd";
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-                        lcd_backlight       = <100>;
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+                        lcd_backlight       = <255>;
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                         lcd_if              = <3>;
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                         lcd_x               = <1024>;
 longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-mipi-10-800-1280.dtsi
..
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@@ -147,7 +147,7 @@
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                         lcd_used            = <1>;
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                         lcd_driver_name     = "mipi_10_800x1280";
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-                        lcd_backlight       = <50>;
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+                        lcd_backlight       = <255>;
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                         lcd_if              = <4>;
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                         lcd_x               = <800>;
 longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-mipi-5-720-1280.dtsi
..
..
@@ -147,7 +147,7 @@
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                         lcd_used            = <1>;
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148
 
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                         lcd_driver_name     = "mipi_5_720x1280";
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-                        lcd_backlight       = <50>;
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+                        lcd_backlight       = <255>;
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                         lcd_if              = <4>;
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                         lcd_x               = <720>;
 longan/kernel/linux-4.9/arch/arm64/boot/dts/sunxi/lcd-mipi-8-800-1280.dtsi
..
..
@@ -147,7 +147,7 @@
147
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                         lcd_used            = <1>;
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148
 
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                         lcd_driver_name     = "mipi_8_800x1280";
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-                        lcd_backlight       = <50>;
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+                        lcd_backlight       = <255>;
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                         lcd_if              = <4>;
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                         lcd_x               = <800>;