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Thread: Pommed and backlight in intrepid

  1. #11
    Join Date
    Jan 2007
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    35

    Re: Pommed and backlight in intrepid

    Quote Originally Posted by kosumi68 View Post
    lv1001,

    From what I gather, the community is moving towards the use of Xorg XRandR, which has support for a broad range of graphics cards, backed up by kernel support. Both the gnome-power-manager and xbacklight use XRandR.

    As for pommed, much of its code seems to have been incorporated into this effort.

    Your model has nvidia graphics, has it not? Then there is a kernel module mbp_nvidia_bl to add to /etc/modules. This just might make xbacklight work.
    On my gen 3 MBP this does not work. Adding the module changes nothing. xbacklight claims "No outputs have the backlight property".

    Does someone have fully up-to-date info on this gen of MBP running kubuntu? Why do I have to go foraging forums on every single update anyway? There has to be a better way.

  2. #12
    Join Date
    May 2008
    Beans
    745

    Re: Pommed and backlight in intrepid

    Quote Originally Posted by sjatkins View Post
    On my gen 3 MBP this does not work. Adding the module changes nothing. xbacklight claims "No outputs have the backlight property".
    The mbp_nvidia_nl driver adds a sysfs backlight interface under /sys/class/backlight; it does not affect randr in anyway (my bad - old info).

    Does someone have fully up-to-date info on this gen of MBP running kubuntu? Why do I have to go foraging forums on every single update anyway? There has to be a better way.
    The ubuntu community forums and help pages are based on voluntary work. If you feel something is lacking, you are welcome to contribute: http://ubuntuforums.org/showthread.php?t=969360

  3. #13
    Join Date
    Aug 2005
    Location
    Huntsville, AL, USA
    Beans
    7,526
    Distro
    Ubuntu

    Re: Pommed and backlight in intrepid

    The MacBookPro3,1 seems to have gathered quite a few issues especially on this release. I would be very helpful if someone could point out the various issues and make sure that bugs are reported for them.

  4. #14
    Join Date
    May 2007
    Beans
    93

    Re: Pommed and backlight in intrepid

    kosumi68, does this mean that the macbook function keys do not work with kde4 at all?

  5. #15
    Join Date
    May 2008
    Beans
    745

    Re: Pommed and backlight in intrepid

    Quote Originally Posted by kjano View Post
    kosumi68, does this mean that the macbook function keys do not work with kde4 at all?
    I run gnome, and unfortunately have no deeper knowledge of kde4. If pommed does not work for you, things probably changed a lot in kde4 (and hal) as well. Someone with kde4 knowledge might be able to help you.

  6. #16
    Join Date
    Oct 2006
    Beans
    51

    Re: Pommed and backlight in intrepid

    I agree that on a MBPro, the light keys, wifi, sound keys, etc do not work in KDE4.1 / Ibex. I too have followed the suggested actions and have had no results so far.

    If there is anything you need from me to help this problem (logs, etc) then please let me know what you need and I will get it to you asap.

  7. #17
    Join Date
    Sep 2007
    Location
    Hamburg, Germany
    Beans
    25
    Distro
    Kubuntu 7.04 Feisty Fawn

    Re: Pommed and backlight in intrepid

    Sound function keys work for me, but none of the others.

    xev shows that they are mapped to other things (dim lcd -> XF86Stop, toggle keyboard backlight -> XF86Mail, etc.).
    I can change the lcd backlight via kde-power-manager so the problem might be solved by just remapping the keys...

    my macbook pro 3,1 has a lot of problems with intrepid.
    keyboard backlight did not work at all until I tried to use gnome-power-manager instead of kde-power-manager, but I am not happy with this solution at all.
    Similarly I changed from knetworkmanager to the gnome "Network manager applet" since the beforementioned would not connect to any wireless lan.
    The gnome programs are much better supported by the mactel ppa.

    Also I am affected by the slowing down of some kde functions which seem to be related to nvidia cards as I gathered from other posts.

    One last thing: My battery has suffered a lot during the last few weeks, leaving around 30% of the original capacity.
    Could this be related to any problems with the "power-manager"s or is it just bad luck with my hardware?

    Thanks a lot,
    LV

  8. #18
    Join Date
    Apr 2006
    Beans
    49

    Re: Pommed and backlight in intrepid

    KDE 4 does not have any support for the backlight control hotkeys. guidance-power-manager was ported as a last ditch effort, we should be seeing the brand new PowerDevil daemon in KDE4.2 which is where all the focus and attention is.

  9. #19
    Join Date
    Apr 2007
    Location
    San Francisco
    Beans
    30

    Re: Pommed and backlight in intrepid

    Yes! That worked! Thanks! I even get the little popup window showing the brightness level. Woot. Just added the mbp_nvidia_bl line to the end of /etc/modules and rebooted. Wondrous. I can take the pommed.conf file off my desktop (I was manually editing its init value and restarting pommed to change the brightness levels). Beeeeautiful.
    Blawrgiddy blawrgiddy blawr, Ubuntu.

  10. #20
    Join Date
    Oct 2006
    Beans
    51

    Re: Pommed and backlight in intrepid

    mbp_nvidia_bl is only working in gnome. I tried KDE 4.1 on MBP3.1 and the brightness did not work. Also just tried in KDE 4.2 and it is not working as well.

    <quote> There has to be a better way. </quote>
    Agreed with the previous response. The better way is to contribute to the community.

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