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Matthew Garrett authored
Right now, if _BQC returns a value we don't understand we immediately invalidate it. Change this behaviour so we only invalidate it if it continues to give an invalid answer after we've already set a brightness. Signed-off-by:
Matthew Garrett <mjg@redhat.com> Acked-by:
Zhang Rui <rui.zhang@intel.com> Signed-off-by:
Len Brown <len.brown@intel.com>
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