Frank Cox writes:
On Wed, 12 Dec 2007 19:57:55 -0500 Sam Varshavchik <mrsam@xxxxxxxxxxxxxxx> wrote:My laptop seemingly has an ambient light sensor, of some kind, and the kernel apparently knows about it, but won't let me access it.Are you sure it's kernel-controlled? Perhaps it's 100% hardware. Try covering that sensor when you're looking at Grub and see if it brightens or dims the screen then.
Tried that. No response in Grub, the LCD backlight begins reacting to the ambient light sensor as soon as the kernel boots, even before initscripts mount all the filesystems.
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