Comment 7 for bug 489041

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Stefan Bader (smb) wrote :

Hi Pablo, still missing the acpidump output. Please run the following commands:

sudo apt-get install acpidump
sudo acpidump -o acpidump.txt

Then upload the acpidump.txt file.

The grep showed at least the entries that would be related to brightness:

/proc/acpi/video/GFX0/DD03/brightness:levels: 10 20 30 40 50 60 70 80 90 100
/proc/acpi/video/GFX0/DD03/brightness:current: 50

Has the following command any effect?

sudo -i 'echjo 100 >/proc/acpi/video/GFX0/DD03/brightness'; cat /proc/acpi/video/GFX0/DD03/brightness