ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000
authorZhang Rui <rui.zhang@intel.com>
Tue, 4 Dec 2012 22:30:19 +0000 (23:30 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 17 Dec 2012 19:07:20 +0000 (11:07 -0800)
commit77dfd2e6c6d83aa806e56e297b8c9cc122a3b0e4
tree3f2be99ac82a424cf233eddb5ce2bbc1c247ad67
parent9c3f6f654da8dc484dabaa4c8805f70d64d7b000
ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000

commit 129ff8f8d58297b04f47b5d6fad81aa2d08404e1 upstream.

Or else the laptop will boot with a dimmed screen.

References: https://bugzilla.kernel.org/show_bug.cgi?id=51141
Tested-by: Stefan Nagy <public@stefan-nagy.at>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/acpi/video.c