Comment 20 for bug 222324

FYI, Andy's test kernels work for me (Panasonic Toughbook CF-19), but I have this other problem where at times the screen just starts getting dimmer and dimmer, and the bright/dim keys (or direct writes to /sys/class/backlight/panasonic/... files), but then suddenly after a minute or so it will suddenly start working again and recognize that the backlight is dim or off and allow me to turn it back up.

I didn't see this under hardy at all (where I used pcc_acpi), it showed up when I moved to intrepid, even before moving to these test kernels (when I couldn't adjust brightness at all -- it would just get dimmer and brighter on its own, very frustrating). At least now I can fix it some of the time.

There are also issues where the UI (GNOME) doesn't seem to recognize the full range of the backlight, which goes from 0 to 21; using the bright/dim keys, I can only get it up to 9 or so. Writing directly to the files I can up it to the full 21 (in its full outdoor-readable battery-draining glory).