linux-kernel - [031/200] ACPI: video: fix acpi

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Message-Id: <20100701174249.039970545@clark.site>
Date:	Thu, 01 Jul 2010 10:42:01 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Kamal Mostafa <kamal@...onical.com>,
	Zhang Rui <rui.zhang@...el.com>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Jiri Kosina <jkosina@...e.cz>,
	Thomas Renninger <trenn@...e.de>,
	Len Brown <len.brown@...el.com>
Subject: [031/200] ACPI: video: fix acpi_backlight=video

2.6.34-stable review patch.  If anyone has any objections, please let me know.

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

From: Kamal Mostafa <kamal@...onical.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@...onical.com>
Acked-by: Zhang Rui <rui.zhang@...el.com>
Cc: Bjorn Helgaas <bjorn.helgaas@...com>
Cc: Jiri Kosina <jkosina@...e.cz>
Acked-by: Thomas Renninger <trenn@...e.de>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Len Brown <len.brown@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.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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