More information
acpi_backlight=vendor
Shortcut doesn't work at all (Fn+Left and Fn+Right). there is no OSD
displayed anymore
I can change the backlight from the system settings (doing so modifies the
/sys/class/backlight/intel_backlight/brightness file)
Writting from the console myself in
/sys/class/backlight/intel_backlight/brightness changes the backlight level (8
dimm : the screen is almost off).
video.use_bios_initial_backlight=0 : NO CHANGE compare to the initial
report. I can control the backlight level from the console with the file
/sys/class/backlight/intel_backlight/brightness file (8 dimm : the
screen is almost off) but the software modifies the brigtness in the
acpi folder instead.
atkbd.softraw=0 :
NO CHANGE compare to the initial report. I can control the backlight level
from the console with the file /sys/class/backlight/intel_backlight/brightness
file (8 dimm : the screen is almost off) but the software modifies the
brigtness in the acpi folder instead.
Show key result is
Left 0xe0 0x4b 0xe0 0xcb
Right 0xe0 0x4d 0xe0 0xcd
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https://bugs.launchpad.net/bugs/1254376
Title:
Brightness settings changes have no effect.
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