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From: Greg KH on 1 Jul 2010 18:30
2.6.33-stable review patch. If anyone has any objections, please let me know.

------------------

From: Kamal Mostafa <kamal(a)canonical.com>

commit eeb4bcb4771679d7b3446c0293334faee11b090a upstream.

Make "acpi_backlight=video" param enable ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO
as intended, instead of incorrectly enabling video output switching.

BugLink: http://bugs.launchpad.net/bugs/573120

Signed-off-by: Kamal Mostafa <kamal(a)canonical.com>
Acked-by: Zhang Rui <rui.zhang(a)intel.com>
Cc: Bjorn Helgaas <bjorn.helgaas(a)hp.com>
Cc: Jiri Kosina <jkosina(a)suse.cz>
Acked-by: Thomas Renninger <trenn(a)suse.de>
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
Signed-off-by: Len Brown <len.brown(a)intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
drivers/acpi/video_detect.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -250,7 +250,7 @@ static int __init acpi_backlight(char *s
ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR;
if (!strcmp("video", str))
acpi_video_support |=
- ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO;
+ ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO;
}
return 1;
}


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