*** This bug is a duplicate of bug 2161309 ***
https://bugs.launchpad.net/bugs/2161309
Try i915.enable_dpcd_backlight=0
** This bug has been marked a duplicate of bug 2161309
Backlight regression
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https://bugs.launchpad.net/bugs/2165048
Title:
Brightness control not working on Dell Latitude E6440 after Ubuntu
26.04 update
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