On Wed, Dec 31, 2008 at 11:11:59AM +0800, Zhang Rui wrote: > On Wed, 2008-12-31 at 10:58 +0800, Zhang Rui wrote: > > always update pros.brightness no matter the backlight is changed > > via procfs, hotkeys or sysfs. > by the way, with this patch applied, we really don't need > "actual_brightness" any more, at least for ACPI backlight class I/F. > is there any chance that "actual_brightness" returns a different value > from "brightness"? Depending on _DOS, AC events can switch the backlight value without sending a notification. I don't /think/ it's worth worrying about that case, but it's still worth keeping the two attributes so that there's a consistent interface for userspace. -- 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
