On Wed, Apr 15, 2009 at 02:31:35AM +0700, Andika Triwidada wrote: > /sys/class/backlight/acpi_video0/brightness exist, I can write and > the value kept, > but no effect on display brightness. Is this an Intel graphics machine? Is the i915 driver loaded? -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html