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Thread: MacBook(Pro) with Nvidia graphics adapter display backlight fix call for testing

  1. #201
    Join Date
    Jul 2008
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    245
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: MacBook(Pro) with Nvidia graphics adapter display backlight fix call for testing

    Quote Originally Posted by heluani View Post
    Blacklisting the module and then loading it manually, the Kernel boots (last stable vanilla Kernel) but the console where one runs modprobe hangs (modprobe never exits)

    The module loads and creates the backlight/mbp_backlight/ filesystem, but the process hangs trying to either read "actual_brightness" or write to "brightness"
    what's in your /var/log/kern.log? did the module crash?

    Quote Originally Posted by heluani View Post
    Edit: using Mario's nvidia_bl module works changing the brightness through nvidia_backlight/brightness and within X!!! I'm just surprised I didn't try this before trying mbp_nvidia_bl!.
    in general, nvidia-bl is the better module, but doesn't support the MacBook Pro 5. do you have a MacBook Pro 5?

    ciao,
    Mario

  2. #202
    Join Date
    Oct 2008
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    63

    Re: MacBook(Pro) with Nvidia graphics adapter display backlight fix call for testing

    undoIT, the script for the keyboard simply (Mario helps me) is:
    Code:
    #! /bin/sh
    
    case "$1" in
        start)
            echo `cat /root/.keybacklight` > /sys/class/leds/smc::kbd_backlight/brightness
            ;;
        restart|reload|force-reload)
            echo "Error: argument '$1' not supported" >&2
            exit 3
            ;;
        stop)
            cat /sys/class/leds/smc::kbd_backlight/brightness > /root/.keybacklight
            ;;
        *)
            echo "Usage: $0 start|stop" >&2
            exit 3
            ;;
    esac
    Test it (I don't have PRO).

    Greets, ercoppa.
    Excuse me for my bad english - MacBook 5,1 2.0 Ghz

  3. #203
    Join Date
    Sep 2007
    Location
    Alnilam
    Beans
    311
    Distro
    Kubuntu

    Re: MacBook(Pro) with Nvidia graphics adapter display backlight fix call for testing

    Quote Originally Posted by ercoppa View Post
    undoIT, the script for the keyboard simply (Mario helps me) is:
    Code:
    #! /bin/sh
    
    case "$1" in
        start)
            echo `cat /root/.keybacklight` > /sys/class/leds/smc::kbd_backlight/brightness
            ;;
        restart|reload|force-reload)
            echo "Error: argument '$1' not supported" >&2
            exit 3
            ;;
        stop)
            cat /sys/class/leds/smc::kbd_backlight/brightness > /root/.keybacklight
            ;;
        *)
            echo "Usage: $0 start|stop" >&2
            exit 3
            ;;
    esac
    Test it (I don't have PRO).

    Greets, ercoppa.
    This works, but after logging in, once the desktop is loaded, Gnome resets the brightness to 100%. So there is somewhere else that the brightness is being set. I edited the settings in gconf-editor so that keyboard brightness is 0 for both AC and battery, but still Gnome insists on 100%.

  4. #204
    Join Date
    Jul 2008
    Beans
    245
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: MacBook(Pro) with Nvidia graphics adapter display backlight fix call for testing

    you can also change:
    Quote Originally Posted by ercoppa View Post
    Code:
    echo `cat /root/.keybacklight` > /sys/class/leds/smc::kbd_backlight/brightness
    to:
    Code:
    cat /root/.keybacklight > /sys/class/leds/smc::kbd_backlight/brightness
    Quote Originally Posted by undoIT View Post
    This works, but after logging in, once the desktop is loaded, Gnome resets the brightness to 100%. So there is somewhere else that the brightness is being set. I edited the settings in gconf-editor so that keyboard brightness is 0 for both AC and battery, but still Gnome insists on 100%.
    this is gnome-power-manager, that for some reason i don't know, always sets the keyboard brightness to maximum when starting.

    ciao,
    Mario

  5. #205
    Join Date
    Sep 2007
    Location
    Alnilam
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    311
    Distro
    Kubuntu

    Re: MacBook(Pro) with Nvidia graphics adapter display backlight fix call for testing

    Quote Originally Posted by _mario_ View Post
    this is gnome-power-manager, that for some reason i don't know, always sets the keyboard brightness to maximum when starting.
    Bad gnome... Obey my commands!


  6. #206
    Join Date
    Aug 2011
    Beans
    6

    Re: MacBook(Pro) with Nvidia graphics adapter display backlight fix call for testing

    Unfortunately this is not working on my Macbook Pro 3,1.
    The archive is not found!

    This is driving me nuts. I'm new too Linux Mint 11. Some problems like Blueooth and Sound took me forever to fix.

    I'm not sure if this helps. I've got the following packeges installed:

    nvidia-common
    nvidia-current
    nvidia-settings

    Thank you for any help.
    Last edited by mulbric3; August 21st, 2011 at 08:08 AM.

  7. #207
    Join Date
    Aug 2011
    Beans
    6

    Re: MacBook(Pro) with Nvidia graphics adapter display backlight fix call for testing

    Help!

  8. #208
    Join Date
    Apr 2006
    Location
    Claremont CA
    Beans
    292
    Distro
    Ubuntu Studio 10.04 Lucid Lynx

    Re: MacBook(Pro) with Nvidia graphics adapter display backlight fix call for testing

    I don't see any option with nvidia-settings, but apparently the brightness can be set via CL:
    Code:
    sudo echo "100" > /sys/class/leds/smc\:\:kbd_backlight/brightness
    I'm using ubuntu 10.04 lts
    cant' spell and 'man' challenged, thank goodness for tab-complete!

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