On Wed, Feb 13, 2013 at 09:54:35PM +0000, Matthew Garrett wrote: > On Wed, Feb 13, 2013 at 03:46:54PM -0600, Seth Forshee wrote: > > > After every brightness change? Maybe it would be better to just test for > > this during initialization, then set device->cap._BQC to 0 so we won't > > use it. > > That would require us to change the backlight during boot, which we > don't necessarily want to do. There's also the risk that if we only do > the check once it'll correspond to a valid value and we'll get a false > positive. We're already setting the level during boot to check whether or not _BQC returns brightness values or indexes. We'd obviously have to try several values to be fairly certain that this bug wasn't present. -- 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
