OK, I found "brightness", it doesn't list under locate. Here's the funny
output:
> xrandr --prop
Screen 0: minimum 320 x 200, current 1280 x 800, maximum 1280 x 1280
VGA disconnected (normal left inverted right x axis y axis)
LVDS connected 1280x800+0+0 (normal left inverted right x axis y axis) 286mm x
179mm
EDID_DATA:
00ffffffffffff0030ae314000000000
00110103801d12780a2f309758538b29
25505400000001010101010101010101
010101010101bc1b00a0502017303020
36001eb3100000180000000000000000
000000000000000000000000000f0081
0a32810a28190100320c00f5000000fe
004c503133335758312d544c43310078
PANEL_FITTING: full_aspect
supported: center full_aspect full
BACKLIGHT_CONTROL: kernel
supported: native legacy combination kernel
BACKLIGHT: 0 (0x00000000) range: (0,7)
1280x800 59.9*+
1024x768 85.0 75.0 70.1 60.0
832x624 74.6
800x600 85.1 72.2 75.0 60.3 56.2
640x480 85.0 72.8 75.0 59.9
720x400 85.0
640x400 85.1
640x350 85.1
TMDS-1 disconnected (normal left inverted right x axis y axis)
> ls /proc/acpi/video/GFX0
DD01 DD02 DD03 DD04 DD05 DOS info POST POST_info ROM
> cat /proc/acpi/video/GFX0/DD01/brightness
<not supported>
> cat /proc/acpi/video/GFX0/DD02/brightness
levels: 0 1 2 3 4 5 6 7
current: 7
> cat /proc/acpi/video/GFX0/DD03/brightness
levels: 0 1 2 3 4 5 6 7
current: 1
> cat /proc/acpi/video/GFX0/DD04/brightness
<not supported>
> cat /proc/acpi/video/GFX0/DD05/brightness
<not supported>
So when I have max brightness, xrandr says I have brightness "0", in
DD02 it's "7" and in DD03 it's "1". Have no idea why. I'll look into the
acpi bug filing later, should I attach everything here or should we file
a new bug?
--
[i965] Jaunty: random screen flashes
https://bugs.launchpad.net/bugs/356510
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