Ubuntu
linux package

  1. Bug #257827
  2. Comment #69

Comment 69 for bug 257827

Revision history for this message
Zhang Rui (rui-zhang) wrote :

module parameter /sys/module/video/parameters/brightness_switch_enabled is designed as a switch to disable/enable the backlight control in ACPI video driver.
does the problem still exist after running "echo 0 > /sys/module/video/parameters/brightness_switch_enabled"?