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可以通过echo(写)和cat(读)来设置背光亮度

可以通过echo(写)和cat(读)来设置背光亮度

作者: 超__越 | 来源:发表于2018-08-09 13:40 被阅读117次

可以通过echo(写)和cat(读)来设置背光亮度

E:\adbTools>adb shell

MeizuM8cLite:/ # cd sys/class/leds

MeizuM8cLite:/sys/class/leds # ls

blue green lcd-backlight mmc0:: mmc1:: mx-led

MeizuM8cLite:/sys/class/leds # cd lcd-backlight/

MeizuM8cLite:/sys/class/leds/lcd-backlight # ls

brightness device max_brightness power subsystem trigger uevent

MeizuM8cLite:/sys/class/leds/lcd-backlight # echo 255 > brightness

MeizuM8cLite:/sys/class/leds/lcd-backlight # echo 100 >brightness

MeizuM8cLite:/sys/class/leds/lcd-backlight # cat brightness

100

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