Hi Pradeep,
於 一,2012-03-19 於 17:03 +0530,Pradeep Subrahmanion 提到:
quoted
For the maximum level causes blank screen...
Please kindly help to identify which driver handle the brightness
change, run the following 2 commands:
# echo 5 > /sys/class/backlight/acer-wmi/brightness
# echo 5 > /sys/class/backlight/intel_backlight/brightness
Which one works to change brightness on your machine?
Both of them do not work for me.Only hot keys are working.
Writing to /sys/class/backlight/acer-wmi/brightness
and /sys/class/backlight/intel_backlight/brightness do not cause any
change in brightness.
Regards ,
Pradeep Subrahmanion
A bit strange...
Could you please paste your /proc/cmdline ? Did you add
acpi_osi="Linux" ?
Thanks a lot!
Joey Lee