On Wed, 2014-06-04 at 08:04 -0700, Stéphane Marchesin wrote: > Well, for example ACPI backlight isn't the default on intel, instead > i915 implements its own backlight. ACPI backlight doesn't support as > many backlight levels as the native backlight for example. So I do > think that ACPI backlight is inferior. ACPI backlight is the default on most pre-Windows 8 i915 systems. Userspace which assumes that backlight value 0 has any specific meaning is broken userspace. Adding an additional interface that allows disabling the backlight without powering down the panel seems like a completely reasonable thing to do, though. -- Matthew Garrett <matthew.garrett@xxxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx