sony-vaio-z-series team mailing list archive

[Patrick Valdellon <valworx@xxxxxxxxx>]

Hey Andrew,

echo 4 >/proc/acpi/video/OVGA/LCD/brightness
works fine. I forgot to mention, that adjusting the brightness with
power management tools works too, so it's definitely just a key
mapping issue.

br,
    Patrick

On 05/08/2010, andagom@xxxxxxxxx <andagom@xxxxxxxxx> wrote:
> Patrick,
>
> Does echoing the command to the acpi not work? Try (as root)
>
> echo 4 > /proc/acpi/video/GFX0/LCD/brightness
>
> If it does, then it's just a matter of writing a script to adjust the value
> and then have the brightness keys execute it.
>
> -Andrew
>
>
> On Wed, Aug 4, 2010 at 8:43 PM, Patrick Valdellon <valworx@xxxxxxxxx> wrote:
>
>> Hi,
>> I tried out kubuntu lucid the other day, and suspend seems fine. the
>> new 256 series nvidia drivers don't care about newer bios/efis
>> anymore. Brightness keys in stamina mode don't work.
>>
>> br,
>>   Patrick
>>
>> 2010/8/4 André Bergner <andre.bergner.0@xxxxxxxxxxxxxx>:
>> > Hello everybody,
>> >
>> > at first my situation: I have a vaio z 41 running ubuntu karmic and
>> > everything is running fluently so far thanks to Raphaels janitor script,
>> > i.e graphics card cold switch works, brightness keys are working, 3g
>> works,
>> > hibernating works, ...
>> > Now, I have to questions.
>> > 1.) I would like to install Ubuntu Lucid. What are the experiences so
>> far?
>> > Does everything work flawlessly?
>> > I read some time ago that there are troubles with hibernating/standby.
>> Was
>> > that a singular issue or a general?
>> > Can I use the Janitor script as well to get everything installed?
>> (Raphaels
>> > page states the script is for the developer branch)
>> > 2.) I would like to upgrade my bios to the latest version which enables
>> > Intel's VT-x support. Is anybody using that bios and running linux
>> > flawlessly?
>> > I remember some thread about problems with that bios and ubuntu but I
>> > couldn't find it again. Have those problems been resolved?
>> > Thanks in advance.
>> > cheers,
>> > André
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