笔记本在Ubuntu调节屏幕亮度的技巧

CONTROL_BRIGHTNESS=1 # * If your system has the file "/proc/acpi/video/VID/LCD/brightness" (VID may # be VID1 or similar), use this file as BRIGHTNESS_OUTPUT, and use # the command "echo value". The possible values can be listed using the

CONTROL_BRIGHTNESS=1 

# * If your system has the file "/proc/acpi/video/VID/LCD/brightness" (VID may 

# be VID1 or similar), use this file as BRIGHTNESS_OUTPUT, and use 

# the command "echo ". The possible values can be listed using the 

# command: 

# 

# cat /proc/acpi/video/VID/LCD/brightness 

# * If you have a file /sys/class/backlight/.../brightness, then you can use 

# that file as BRIGHTNESS_OUTPUT, and the command "echo ". 

# 

# As far as I understand it the values are between 0 and 

# the value contained in the file /sys/class/backlight/.../max_brightness.