Al 02/02/13 01:32, En/na Luca Olivetti ha escrit: > Al 31/01/13 11:07, En/na Luca Olivetti ha escrit: > >> >> Another problem I have is the backlight control doesn't work, but I >> think that's a kernel problem. > > It turns out the kernel has no problem controlling the backlight, but as > soon as the nvidia driver takes control it no longer work. > With nouveau it works though it stops working after a suspend (the > brightess is at its maximum after a resume and cannot be changed). > Also, the hotkeys stops working after a while, but the backlight can > still be controlled via the battery applet or the > /sys/class/backlight/acpi_video0/brightness file (and, BTW, as I said > before after a suspend it doesn't work, but the hotkeys are working > again, i.e., they're changing the value in the file but it has no effect > on the backlight).
And now I found a solution for the nvidia proprietary driver, which survives a suspend/resume. It's just a matter of adding Option "RegistryDwords" "EnableBrightnessControl=1" to the Device section of xorg.conf (BTW, why does XFdrake disable DynamicTwinTwied ?) > > Still looking for a way to avoid for the disk to spin down when on battery. > > Bye
