ASUS 401A has some fundamental problems with its BIOS ASL code.
First, its _BCL returns
[ 344.088661] Brightness[0] = 100
[ 344.088669] Brightness[1] = 77
[ 344.088672] Brightness[2] = 60
[ 344.088675] Brightness[3] = 48
[ 344.088677] Brightness[4] = 43
[ 344.088680] Brightness[5] = 38
[
** Changed in: linux (Ubuntu)
Status: Incomplete = Won't Fix
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https://bugs.launchpad.net/bugs/1132649
Title:
display brightness is very low by default
To manage notifications
Can't the kernel be quirked to handle broken bios defaults like this?
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https://bugs.launchpad.net/bugs/1132649
Title:
display brightness is very low by default
To manage notifications
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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https://bugs.launchpad.net/bugs/1132649
Title:
display brightness is very low by default
To manage notifications
** Changed in: linux (Ubuntu)
Assignee: Anthony Wong (anthonywong) = Alex Hung (alexhung)
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https://bugs.launchpad.net/bugs/1132649
Title:
display brightness is very low by default
Tim, could you upload the output of acpidump here?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
** Changed in: linux (Ubuntu)
Assignee: Anthony Wong (anthonywong) = Tim Chen (ctf)
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acpidump attached.
** Attachment added: 11781.acpidump
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1132649/+attachment/3547280/+files/11781.acpidump
** Changed in: linux (Ubuntu)
Assignee: Tim Chen (ctf) = Anthony Wong (anthonywong)
** Tags added: 201206-11387
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You