[Bug 95444] Re: No Screen Backlight Control; Notebooks (Vaio, Macbook, HP/Compaq, Samsung, Zepto et al.) with Nvidia Geforce8/Geforce9/Quadro series graphics

Icapa ivan.olea at gmail.com
Sun Feb 15 21:01:17 GMT 2009


Thanks Shawe

I have tried with "showkey" to see if the laptop "understand" these keys and
It doesn't, with nvclock I can change brightness manually but it's a bit
tedious. I run your script..but it seems it doesn't work for me... I'm going
to try the modifications yo said

Thank you very much


2009/2/15 Shawe Ewahs <shawe.ewahs at gmail.com>

> Icapa try this comments:
>
>
> https://bugs.launchpad.net/ubuntu/+source/hotkey-setup/+bug/95444/comments/161
>
> https://bugs.launchpad.net/ubuntu/+source/hotkey-setup/+bug/95444/comments/164
>
> On it's it have a little scripts for change files, but is possible that
> your model of laptop are not included on
> /usr/share/hal/fdi/information/10freedesktop/10-sony-laptop-panel-mgmt-policy.fdi,
> it your isn't on list add your model, like this:
>        <match
> key="/org/freedesktop/Hal/devices/computer:system.hardware.product"
> string="VGN-FZ38M">
>          <merge key="laptop_panel.num_levels" type="int">20</merge>
>          <merge key="laptop_panel.access_method"
> type="string">sony-nvidia</merge>
>        </match>
>
> Changing VGN-FZ38M for your model. It's the one thing that I can help
> you.
>
> --
> No Screen Backlight Control; Notebooks (Vaio, Macbook, HP/Compaq, Samsung,
> Zepto et al.)  with Nvidia Geforce8/Geforce9/Quadro series graphics
> https://bugs.launchpad.net/bugs/95444
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in Hardware Abstraction Layer (HAL): Invalid
> Status in "hal" source package in Ubuntu: Invalid
> Status in "hotkey-setup" source package in Ubuntu: Invalid
> Status in "linux" source package in Ubuntu: New
> Status in "nvclock" source package in Ubuntu: New
> Status in "nvidia-graphics-drivers-180" source package in Ubuntu: New
>
> Bug description:
> Using Ubuntu on laptops with Nvidia Geforce8/Geforce9/Quadro vga card:
>
> On various laptops from Sony, HP, Samsung and others there is no way to
> control backlight brightness. In case of Sony e.g. on Vaios with 8-series
> adapters, e.g.
> nVidia Corporation GeForce 8400M GS
> nVidia Corporation GeForce 8600M GT (rev a1)
>
> The registers have been found (kudos to mikes!) and incorporated into
> nvclock, which you can check out by anonymous cvs and install:
>
> ]$ sudo apt-get install cvs
> ]$ cvs -d:pserver:anonymous at nvclock.cvs.sourceforge.net:/cvsroot/nvclock
> login
> ]$ cvs -z3 -d:pserver:anonymous at nvclock.cvs.sourceforge.net:/cvsroot/nvclock
> co -P nvclock
> ]$ cd nvclock
> ]$ ./autogen.sh
> ]$ ./configure
> ]$ make
> ]$ sudo make install
>
> To test, make sure you are using nVidia's proprietary driver, then:
> ]$ sudo nvclock -S 100
> ]$ sudo nvclock -S 15
> ]$ sudo nvclock -S +10
>
> So far mikes' registers have been found to work on:
>
> Apple laptops
> {
> Macbook 5,1 Aluminum 13.3"  (Geforce 9400M)
> }
>
> HP/Compaq laptops
> {
> 8510W (Quadro FX 570M, MXM)
> 8710P (Quadro NVS 320M, MXM)
> }
>
> Samsung laptops:
> {
> Q210 (Geforce 9200M)
> Q310 (Geforce 9200M)
> R510 (Geforce 9200M)
> }
>
> Sony laptops:
> {
> 8400M GS:
> VGN SZ650N, SZ61MN/B, SZ730E, SZ750N, SZ71MN/B, SZ71E SZ95S
>
> 8400M GT:
> VGN FZ38M, FZ31M, FZ11Z, NR31, AR41E, FZ11S, FZ290, FZ250AE, FZ21E, FZ21M,
> FZ21S, FZ470E, FZ340E, FZ190N, FZ18M, FZ31E, FZ18E, FZ260E NR21Z, NR38S,
> NR21S,FZ280E
>
> 8600M GS:
> VGN FZ31Z, FZ21Z, FZ31S
>
> 8600M GT:
> VGN AR51SU, AR71S
> }
>
> Zepto laptops
> {
> Geforce 9600GT based laptops using MXM cards
> }
>
> Add your model to the list by clicking on the "Update description / tags"
> link, NOT by asking in a bug comment for someone else to do it.
>
> To get hotkeys to work, follow the instructions in this comment:
>
> https://bugs.launchpad.net/ubuntu/+source/hotkey-setup/+bug/95444/comments/75
> or install the package at :
>
> https://bugs.launchpad.net/ubuntu/+source/hotkey-setup/+bug/95444/comments/111
>
> Dual-adapter models (SZ6 among others) can get backlight control with the
> Intel adapter using xbacklight, and can get hotkey functionality as per bug
> #173652.
>

-- 
No Screen Backlight Control; Notebooks (Vaio, Macbook, HP/Compaq, Samsung, Zepto et al.)  with Nvidia Geforce8/Geforce9/Quadro series graphics
https://bugs.launchpad.net/bugs/95444
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