On HP 250 G1 laptops, BIOS reports minimum backlight on boot and
causes backlight to dim completely. This ignores the initial backlight
values and set to max brightness.
References: https://bugzilla.kernel.org/show_bug.cgi?id=63111 Signed-off-by: Kirill Tkhai <tkhai@yandex.ru> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>