亮度控制在MacBook Pro 5.5上不起作用
我最近在我的MacBook pro 5.5上安装了Ubuntu（2009年中）。 我的亮度控制有问题。 问题是，当我试图降低显示器的亮度时，这将有助于我的电池寿命显着无效。
我试图使用系统偏好但没有成功。 我试图看看它改变了一些东西，如果断开计算机与充电我屏幕将dimm但一旦反对我失败了。
我尝试了很多东西，比如pommed或者我在论坛上读过的许多其他小东西。
没有提到你正在使用什么Ubuntu所以这是一个SWAG。
推荐/etc/pommed.conf：
# # Configuration file for pommed # # General configuration general { # fnmode: functions keys first (no need to use fn) or last # Value is either 1 or 2, effect is hardware-dependent fnmode = 2 } # sysfs backlight control # nVidia machines, will fall back to nv8600gmt if not supported by the kernel lcd_sysfs { # The sysfs backlight control is a generic interface provided # by the Linux kernel for backlight control on most graphic cards. # The brightness range can differ depending on the hardware. # initial backlight level [12] (0 - 15, -1 to disable) init = -1 # step value (1 - 2) step = 1 # backlight level when on battery [6] (1 - 15, 0 to disable) on_batt = 6 } # ATI X1600 backlight control (MacBook Pro v1 & v2) lcd_x1600 { # initial backlight level [200] (0 - 255, -1 to disable) init = -1 # step value (1 - 127) step = 10 # backlight level when on battery [80] (1 - 255, 0 to disable) on_batt = 80 } # Intel 945GM, 965GM backlight control (MacBook v1-v4, MacBook Air v1) lcd_gma950 { # initial backlight level [0x6f] (0x1f - 0x94 usually, -1 to disable) init = -1 # step value (0x01 - 0x20) step = 0x0f # backlight level when on battery [0x40] (0x1f - 0x94 usually, 0 to disable) on_batt = 0x40 } # nVidia GeForce 8600M GT/9400M/9600M GT backlight control # (MacBook Pro v3-v5, MacBook v5, MacBook v2) lcd_nv8600mgt { # initial backlight level [12] (0 - 15, -1 to disable) init = -1 # step value (1 - 2) step = 1 # backlight level when on battery [6] (1 - 15, 0 to disable) on_batt = 6 } # Audio support audio { # Use amixer or alsamixer/alsamixergui to determine the sound card # and the mixer elements to use here. # sound card to use card = "default" # initial volume [80] (0 - 100%, -1 to disable) init = -1 # step value (1 - 50%) step = 10 # beep on volume change beep = yes # mixer element for volume adjustment volume = "PCM" # mixer element for muting the speakers speakers = "Front" # mixer element for muting the headphones headphones = "Headphone" } # Keyboard backlight control kbd { # default value for automatic backlight (0 - 255) default = 100 # step value (1 - 127) step = 10 # ambient light thresholds for automatic backlight (0 - 255) on_threshold = 20 off_threshold = 40 # enable/disable automatic backlight auto = no # idle timer - switches off keyboard backlight automatically (timeout in seconds, -1 to disable) idle_timer = -1 # idle tickms - timer tick rate in milliseconds idle_tickms = 200 } # CD/DVD drive ejection eject { # enable/disable eject key enabled = yes # CD/DVD device device = "/dev/dvd" } # Beeper beep { # enable/disable beeper enabled = no # WAV file to use (from pommed: goutte.wav or click.wav in /usr/share/pommed) beepfile = "/usr/share/pommed/goutte.wav" } # Apple Remote - deprecated # Note: the appleir driver is required for this to work; this driver has been # obsoleted with Linux 2.6.22, so unless you are running a kernel < 2.6.22 or # use the appleir driver on a newer kernel, this won't work. # You should use LIRC instead. appleir { # enable/disable the appleir support enabled = no } 资源