On Fri, 2010-02-19 at 21:54 +0800, Matthew Garrett wrote: > On Fri, Feb 19, 2010 at 01:40:47AM -0500, Len Brown wrote: > > Matthew, > > > > Is there a life failure someplace (eg. bugzilla) that works after this > > patch? > > My system statically initialises the variable containing the current > brightness to 100, but doesn't include 100 in the list of valid > brightnesses. sorry, I don't understand. does the video driver set the backlight to 100, which is not a valid value in the _BCL package? > Right now this causes us to stop believing _BQC. However, > the enxt thing we do is set the brightness to maximum anyway - at this > point _BQC will now return a correct value. hmmm, could you attach the acpidump please? thanks, rui > So it makes sense to ignore > _BQC failures until we've set a valid value. If it continues to give > invalid results then we can invalidate it and just use our internal > state. > -- 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
