On Wed, 05 Aug 2009, Thomas Renninger wrote: > If in KMS drivers backlight switching method is implemented > and can register for the generic backlight driver, it should always be > disabled by default. Instead, KMS drivers should export a simple > "backlight_enable" file somewhere in sysfs. If userspace doesn't > find a sysfs backlight interface, it can do: > echo 1 >/sys/path_to_graphics_card/backlight_enable > and a backlight sysfs interface should pop up on success. IMO, we already have an in-kernel selector of the backlight control method for mutually-exclusive backlight control strategies. We should use that, and if it is complete/good enough to add the KMS scenario, improve it. -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- 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
