4.2.8-ckt3 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Hans de Goede <redacted>

commit b21f2e81bd3fd8ed260590e72901254bca2193cd upstream.

The Toshiba Satellite R830 needs disable_backlight_sysfs_if=1, just like
the Toshiba Portege R830. Add a quirk for this.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=21012
Tested-by: To Do <redacted>
Signed-off-by: Hans de Goede <redacted>
Signed-off-by: Rafael J. Wysocki <redacted>
Signed-off-by: Kamal Mostafa <redacted>
---
 drivers/acpi/acpi_video.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 11506c0..586a87b 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c

@@ -468,6 +468,15 @@ static struct dmi_system_id video_dmi_table[] = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE R830"),
 		},
 	},
+	{
+	 /* https://bugzilla.kernel.org/show_bug.cgi?id=21012 */
+	 .callback = video_disable_backlight_sysfs_if,
+	 .ident = "Toshiba Satellite R830",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE R830"),
+		},
+	},
 	{}
 };
 

-- 
1.9.1