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

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

From: Lan Tianyu <[email protected]>

commit d0c2ce16bec0afa6013b4c5220ca4c9c67210215 upstream.

The ACPI video driver can't control backlight correctly on
Asus UL30VT.  Vendor driver (asus-laptop) can work.  This patch is to
add "Asus UL30VT" to ACPI video detect blacklist in order to use
asus-laptop for video control on the "Asus UL30VT" rather than ACPI
video driver.

References: https://bugzilla.kernel.org/show_bug.cgi?id=32592
Reported-by: Alex Williamson <[email protected]>
Signed-off-by: Lan Tianyu <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/acpi/video_detect.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -156,6 +156,14 @@ static struct dmi_system_id video_detect
                DMI_MATCH(DMI_BOARD_NAME, "X360"),
                },
        },
+       {
+       .callback = video_detect_force_vendor,
+       .ident = "Asus UL30VT",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+               DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"),
+               },
+       },
        { },
 };
 


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