I performed a test with 5.4.0-30-generic on focal. The update in
proposed fixes the problem for me as it provides the necessary kernel
modules. I have not seen any problems with the new kernel version.
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I performed a test with linux-image-5.6.0-1007-oem from focal-proposed.
The brightness control works without problem on that version. So the
problem seems to be fixed on linux-oem-5.6.
Is the version going to make it to the focal release?
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Same problem here. I cannot adjust the brightness using the GUI controls
or the intel_backlight controls in /sys. The following action has
(almost) no effect to the brightness or the value exposed in
"actual_brightness" in /sys/class/backlight/intel_backlight:
echo $value /sys/class/backlight/inte
*** This bug is a duplicate of bug 1871330 ***
https://bugs.launchpad.net/bugs/1871330
Yes I think you are right. That is a duplicate. I'll provide the info
from this bug to the other bug.
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** Package changed: ubuntu => linux-signed-oem-5.4 (Ubuntu)
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https://bugs.launchpad.net/bugs/1871713
Title:
Backlight Brigthness not adjustable after install
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