changing screen brightness broken in Xubuntu (12.04 and 14.04)

[Damian Kleiman]

Tiago isnt amdcccle for amd radeon boards?
I have an intel.
Regards,
Damian

2014-04-27 11:49 GMT-03:00 Tiago Ribeiro <zakzor at gmail.com>:
> Just a quick note since this could be the solution for some people with this
> issue.
>
> Same happened to me after installing fglrx because the VariBright was
> activated by default in the amdcccle.
> After disabling the option and restarted X, all went fine.
>
>
> Regards,
> Tiago
>
>
> On Sun, Apr 27, 2014 at 1:14 PM, Damian Kleiman <fliakleiman at gmail.com>
> wrote:
>>
>> Xgamma might be "obsolete" like you say, but here it works great.
>>
>> Regards,
>> Damian
>>
>> 2014-04-27 7:38 GMT-03:00 PK <pliniusminor at gmail.com>:
>> > @ Liviu and Benedek: thanks for sharing these useful workarounds!
>> >
>> > Both of you could help further, by reporting this on Launchpad.... There
>> > are
>> > probably more people with your hardware, so a bug report would serve two
>> > purposes: it might help to solve the bug, and if not, it might help
>> > others
>> > with the workaround.
>> >
>> > Regards, Pjotr.
>> >
>> >
>> > 2014-04-27 11:51 GMT+02:00 Benedek Imre <nucleo at indamail.hu>:
>> >
>> >> Try this solution:
>> >> http://itsfoss.com/fix-brightness-ubuntu-1310/
>> >> It worked on my Dell Inspiron laptop with Intel graphics.
>> >> Good luck!
>> >>
>> >> -- Eredeti üzenet --
>> >> Feladó: Liviu Andronic <landronimirc at gmail.com>
>> >> Címzett: Xubuntu Development Discussion
>> >> <xubuntu-devel at lists.ubuntu.com>
>> >> Elküldve: 2014. április 27. 2:28
>> >> Tárgy : Re: changing screen brightness broken in Xubuntu (12.04 and
>> >> 14.04)
>> >>
>> >>
>> >> On Sat, Apr 26, 2014 at 10:26 AM, PK <pliniusminor at gmail.com> wrote:
>> >> > Try this:
>> >> >
>> >> >
>> >> > https://sites.google.com/site/easylinuxtipsproject/display#TOC-Brightness-of-the-display-is-wrong-and-not-adjustable
>> >> >
>> >> > Those tweaks work fine on my machines. :-)
>> >> >
>> >> > Not really a Linux error, this; it has to do with BIOS / UEFI that's
>> >> > not
>> >> > standard-compliant.
>> >> >
>> >> Thanks for the tips, but unfortunately none worked for me. I tried
>> >> several workarounds.
>> >> - with no obvious success:
>> >> GRUB_CMDLINE_LINUX="acpi_osi=Linux"
>> >>
>> >> and
>> >> update-grub
>> >>
>> >> - the following has no effect:
>> >> xbacklight -set 20
>> >>
>> >> - and neither does this help:
>> >> root at liv-inspiron:/home/geek# lspci | grep -i vga
>> >> 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT
>> >> Integrated Graphics Controller (rev 09)
>> >> 03:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
>> >> [AMD/ATI] Venus PRO [Radeon HD 8850M] (rev ff)
>> >> root at liv-inspiron:/home/geek# setpci -s 00:02.0 F4.B=20
>> >> root at liv-inspiron:/home/geek# setpci -s 03:00.0 F4.B=20
>> >>
>> >>
>> >> Any ideas on what else could be wrong? Thanks,
>> >> Liviu
>> >>
>> >> > Regards, Pjotr.
>> >> >
>> >> >
>> >> > 2014-04-26 9:56 GMT+02:00 Liviu Andronic <landronimirc at gmail.com>:
>> >> >>
>> >> >> Dear all,
>> >> >> For several releases now (12.04 and 14.04) and across several
>> >> >> machines
>> >> >> (Lenovo 32-bit and Dell 64-bit), changing brightness settings is
>> >> >> broken. It doesn't work whether I use the laptop buttons to modify
>> >> >> screen brightness (to get the notification changing the percentage,
>> >> >> but actual brightness NOT move one bit) or the Brightness
>> >> >> panel-plugin
>> >> >> from xfce4-power-manager (nothing really happens).
>> >> >>
>> >> >> Is this a known issue (or should I report it to Launchpad)? But more
>> >> >> importantly, how can I change screen brightness in Xubuntu (install
>> >> >> gnome-power-manager, etc.)?
>> >> >>
>> >> >> Regards,
>> >> >> Liviu
>> >> >>
>> >> >> --
>> >> >> Do you know how to read?
>> >> >> http://www.alienetworks.com/srtest.cfm
>> >> >>
>> >> >> http://goodies.xfce.org/projects/applications/xfce4-dict#speed-reader
>> >> >> Do you know how to write?
>> >> >> http://garbl.home.comcast.net/~garbl/stylemanual/e.htm#e-mail
>> >> >>
>> >> >> --
>> >> >> xubuntu-devel mailing list
>> >> >> xubuntu-devel at lists.ubuntu.com
>> >> >> https://lists.ubuntu.com/mailman/listinfo/xubuntu-devel
>> >> >
>> >> >
>> >> >
>> >> > --
>> >> > xubuntu-devel mailing list
>> >> > xubuntu-devel at lists.ubuntu.com
>> >> > https://lists.ubuntu.com/mailman/listinfo/xubuntu-devel
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Do you know how to read?
>> >> http://www.alienetworks.com/srtest.cfm
>> >> http://goodies.xfce.org/projects/applications/xfce4-dict#speed-reader
>> >> Do you know how to write?
>> >> http://garbl.home.comcast.net/~garbl/stylemanual/e.htm#e-mail
>> >>
>> >> --
>> >> xubuntu-devel mailing list
>> >> xubuntu-devel at lists.ubuntu.com
>> >> https://lists.ubuntu.com/mailman/listinfo/xubuntu-devel
>> >>
>> >>
>> >> --
>> >> xubuntu-devel mailing list
>> >> xubuntu-devel at lists.ubuntu.com
>> >> https://lists.ubuntu.com/mailman/listinfo/xubuntu-devel
>> >>
>> >
>> >
>> > --
>> > xubuntu-devel mailing list
>> > xubuntu-devel at lists.ubuntu.com
>> > https://lists.ubuntu.com/mailman/listinfo/xubuntu-devel
>> >
>>
>> --
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>> xubuntu-devel at lists.ubuntu.com
>> https://lists.ubuntu.com/mailman/listinfo/xubuntu-devel
>
>
>
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