屏幕背光亮度

注：仅使用RGB时可以设置

背光亮度设置 0 - 255

echo 255 > /sys/devices/platform/backlight0/backlight/backlight0/brightness
echo 55 > /sys/devices/platform/backlight0/backlight/backlight0/brightness 
echo 5 > /sys/devices/platform/backlight0/backlight/backlight0/brightness

屏幕息屏

echo 0 > /sys/devices/platform/backlight0/backlight/backlight0/brightness
作者：林晓燕  创建时间：2026-11-03 11:43
最后编辑：林晓燕  更新时间：2026-11-05 14:56
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