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authorZhang Rui <rui.zhang@intel.com>2009-12-30 15:59:23 +0800
committerLen Brown <len.brown@intel.com>2009-12-30 20:30:04 -0500
commitc504f8cb68eb0d6cde53ba043daff8cb34586493 (patch)
tree2d4500519867b0ff345c3e895d7fdb90739023a7 /net/sched
parent6b7b284958d47b77d06745b36bc7f36dab769d9b (diff)
ACPI video: Prune dupe video devices, unless "video.allow_duplicates"
Some buggy BIOS exports multiple ACPI video bus devices for the same VGA controller, and multiple backlight control methods as well. This messes up the ACPI video backlight control. http://bugzilla.kernel.org/show_bug.cgi?id=13577 With this patch applied, only the FIRST ACPI video bus device under a PCI device node is bind to ACPI video driver by default. If the first ACPI video bus device doesn't work well, we can use video.allow_duplicates=1 to go back to the old behavior. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'net/sched')
0 files changed, 0 insertions, 0 deletions