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#1 2016-04-05 12:44:49

CLFAS
Member
Registered: 2014-04-13
Posts: 61

Asus PU551LA - Brightness keys not recognised.

Kernel: x86_64 Linux 4.4.5-1-ARCH

Hello,

Earlier today I was trying to configure xbindkeys. All the Fn keys are recognised except for decrease/increase brightness keys (Fn+F5/Fn+F6 respectively).

I checked this using acpi_listen. I had no output from these keys.

My grub file is all default, although I also tried booting with this line added...

GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi_osi= "

then with this line added

GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi_osi=Linux acpi_backlight=vendor"

with no luck.

Any help is appreciated, ask me for any info you may need.

Thanks

Last edited by CLFAS (2016-04-05 13:29:31)


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#2 2016-04-05 14:11:13

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 19,739

Re: Asus PU551LA - Brightness keys not recognised.

Any chance that xev sees them?


Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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#3 2016-04-05 15:19:20

CLFAS
Member
Registered: 2014-04-13
Posts: 61

Re: Asus PU551LA - Brightness keys not recognised.

Nope, same result.


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#4 2016-04-05 15:27:46

Pyntux
Member
From: Serbia
Registered: 2008-12-21
Posts: 391

Re: Asus PU551LA - Brightness keys not recognised.

I have same problem with Asus X552M and I tried everything I found online...and nothing...

When I put "acpi_osi=" in grub line, notify works for brightness, but brightness does not change.


I do not speak English, but I understand...

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#5 2016-04-05 15:33:28

CLFAS
Member
Registered: 2014-04-13
Posts: 61

Re: Asus PU551LA - Brightness keys not recognised.

Yeah I was gutted when that argument didn't work. I've bound brightness to the keypad for the time being, but really want to solve this issue.


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#6 2016-04-05 16:14:06

Wokboom
Member
Registered: 2016-04-03
Posts: 2

Re: Asus PU551LA - Brightness keys not recognised.

CLFAS wrote:

I've bound brightness to the keypad for the time being, but really want to solve this issue.

I've had to do the same on my ux305ca. Looks like it's a kernel level issue. Found the following bug log - https://bugzilla.kernel.org/show_bug.cgi?id=98931

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#7 2016-04-05 16:28:42

CLFAS
Member
Registered: 2014-04-13
Posts: 61

Re: Asus PU551LA - Brightness keys not recognised.

Wokboom wrote:
CLFAS wrote:

I've bound brightness to the keypad for the time being, but really want to solve this issue.

I've had to do the same on my ux305ca. Looks like it's a kernel level issue. Found the following bug log - https://bugzilla.kernel.org/show_bug.cgi?id=98931

Frustrating. I tried acpi_osi="!Windows 2012" just in case. Still nothing.


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