sony-vaio-z-series team mailing list archive

[Joël Bourquard <joel.bourquard@xxxxxxxxx>]

Thanks but I tried nvclock already.  Even the latest CVS version says it
doesn´t support the hardware, unfortunately...

If someone has a solution for the Z13 I'd love to hear about it...

Thanks


On Fri, Dec 10, 2010 at 12:26 AM, Peter Fern <sonylinux@xxxxxxxxxxx> wrote:

>  You should be able to use nvclock to change brightness.  The following is
> what I use, but I don't ever use the Intel card, so to make it generic,
> you'd want to do some sort of detection in the shell script, depending on
> how you're doing your switching.
>
>
> # /etc/acpi/events/sony-z-brightness-down
> event=sony/hotkey SNC 00000001 00000010
> action=/etc/acpi/sonyzbrightbtn.sh down
>
>
>
> # /etc/acpi/events/sony-z-brightness-up
> event=sony/hotkey SNC 00000001 00000011
> action=/etc/acpi/sonyzbrightbtn.sh up
>
>
>
> #/etc/acpi/sonyzbrightbtn.sh
> #!/bin/sh
> nvclock=/usr/bin/nvclock
> #log=/tmp/sony-brightness.log
> log=/dev/null
> ret=0
>
> echo $0 $@ >> $log
> case "$1" in
>     up)
>         $nvclock -S +12% >> $log 2>&1 ;
>         ret=$$;
>     ;;
>     down)
>         $nvclock -S -12% >> $log 2>&1 ;
>         ret=$$;
>     ;;
>     *)
>         $nvclock -i |grep 'Brightness level' >> $log 2>&1 ;
>         ret=$$;
> esac
>
> exit $ret
>
>
>
> On 10/12/10 06:10, Joël Bourquard wrote:
>
> Hi Jordi,
>
> Same here, I would be very happy if we could control brightness while
> running on the NVIDIA card.  I don't know exactly what it takes, maybe the
> Intel card needs to be accessible from the PCI bus (since, as I heard, the
> physical brightless control is connected to the Intel card).  As I see it,
> initializing the Intel card without allocating any of its buffers (ie:
> initialize it just enough so we can ask it to set the brightness) might be
> the way to do it.
>
> Maybe we could set up a bounty that would go to the one who publishes a
> kernel patch and/or generic shell script and instructions to do it ?  That
> could be nice...
>
>
> On Thu, Dec 9, 2010 at 5:36 PM, Jordi Augé <jordi@xxxxxxxx> wrote:
>
>>  Hi,
>>
>> I'm a new Vaio Z user, and I've successfully installed Linux as Main OS on
>> a VPCZ11X9/e, after some struggling I've gotten everything working,
>> including hsdpa and graphics switching. My only gripe so far is the
>> inability to control screen brightness when using nvidia graphics.
>>
>> Any updates on this issue? what changes will be necessary to implement it?
>>
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