I found this pommed commit that is probably what hal is missing: http://lists.alioth.debian.org/pipermail/pommed- commits/2007-July/000090.html
** Description changed: Binary package hint: hal Was asked to make a new report when https://bugs.launchpad.net/ubuntu/+source/hal/+bug/206921 was closed but my issue wasn't fixed. - From HAL debug output when pressing a brightness-up or -down button: + From HAL debug output when starting up: + [14434]: 14:13:54.913 [D] addon-macbookpro-backlight.c:535: Failed to detect ATI X1600, aborting... + + My card is an NVidia... + + On pressing a brightness-up or -down button: 14:14:15.824 [D] hald_dbus.c:3153: udi=/org/freedesktop/Hal/devices/usb_device_5ac_21b_noserial_if0_logicaldev_input From gnome-power-manager --verbose --debug power: [hal_device_condition_cb] gpm-button.c:391 (14:19:23): condition=ButtonPressed, details=brightness-up [emit_button_pressed] gpm-button.c:335 (14:19:23): emitting button-pressed : brightness-up [button_pressed_cb] gpm-manager.c:996 (14:19:23): Button press event type=brightness-up [button_pressed_cb] gpm-srv-screensaver.c:167 (14:19:23): Button press event type=brightness-up [button_pressed_cb] gpm-backlight.c:561 (14:19:23): Button press event type=brightness-up [gpm_brightness_lcd_get_hw] gpm-brightness-lcd.c:108 (14:19:23): ERROR: Method "GetBrightness" with signature "" on interface "org.freedesktop.Hal.Device.LaptopPanel" doesn't exist *** WARNING *** [gpm_brightness_lcd_get_hw] gpm-brightness-lcd.c:113 (14:19:23): GetBrightness failed! [gpm_brightness_lcd_set_hw] gpm-brightness-lcd.c:155 (14:19:23): Setting 11 of 228 [gpm_brightness_lcd_set_hw] gpm-brightness-lcd.c:165 (14:19:23): ERROR: Method "SetBrightness" with signature "i" on interface "org.freedesktop.Hal.Device.LaptopPanel" doesn't exist *** WARNING *** [gpm_brightness_lcd_set_hw] gpm-brightness-lcd.c:170 (14:19:23): SetBrightness failed! [gpm_brightness_lcd_up] gpm-brightness-lcd.c:362 (14:19:23): emitting brightness-changed (0) [brightness_changed_cb] gpm-backlight.c:736 (14:19:23): Need to display backlight feedback value 0 [gpm_feedback_display_value] gpm-feedback-widget.c:144 (14:19:23): Displaying 0.000000 on feedback widget [gpm_refcount_add] gpm-refcount.c:100 (14:19:23): refcount now: 1 [gpm_refcount_add] gpm-refcount.c:101 (14:19:23): non zero, so sending REFCOUNT_ADDED [brightness_changed_cb] gpm-backlight.c:740 (14:19:23): emitting brightness-changed : 0 [button_pressed_cb] gpm-srv-brightness-kbd.c:139 (14:19:23): Button press event type=brightness-up [button_pressed_cb] gpm-info.c:698 (14:19:23): Button press event type=brightness-up [gpm_refcount_auto_decrement] gpm-refcount.c:74 (14:19:25): zero, so sending REFCOUNT_ZERO [gpm_feedback_close_window] gpm-feedback-widget.c:134 (14:19:25): Closing feedback widget ProblemType: Bug Architecture: amd64 Date: Mon May 5 14:22:20 2008 DistroRelease: Ubuntu 8.04 NonfreeKernelModules: ath_hal nvidia Package: hal 0.5.11~rc2-1ubuntu8 PackageArchitecture: amd64 ProcEnviron: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: hal Uname: Linux 2.6.24-17-generic x86_64 -- Backlight control does not work on MacBook Pro 3.1 https://bugs.launchpad.net/bugs/226894 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs