[PATCH] ACPI / video: Add some samsung models to disable_native_backlight list

[Aaron Lu <aaron.lu@intel.com>]

The SAMSUNG 870Z5E/880Z5E/680Z5E and SAMSUNG
370R4E/370R4V/370R5E/3570RE/370R5V do not have a working native
backlight control interface so restore their acpi_videoX interface.

Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=84221
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=84651
For SAMSUNG 870Z5E/880Z5E/680Z5E:
Reported-and-tested-by: Brent Saner <brent.saner@gmail.com>
Reported-by: Vitaliy Filippov <vitalif@yourcmc.ru>
Reported-by: Laszlo KREKACS <laszlo.krekacs.list@gmail.com>
For SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V:
Reported-by: Vladimir Perepechin <vovochka13@gmail.com>
Cc: 3.17+ <stable@vger.kernel.org> # 3.17+
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
---
 drivers/acpi/video.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index adf4b4cf0be6..43384360c2b1 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -492,6 +492,23 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"),
 		},
 	},
+
+	{
+	 .callback = video_disable_native_backlight,
+	 .ident = "SAMSUNG 870Z5E/880Z5E/680Z5E",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "870Z5E/880Z5E/680Z5E"),
+		},
+	},
+	{
+	 .callback = video_disable_native_backlight,
+	 .ident = "SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"),
+		},
+	},
 	{}
 };
 
-- 
1.9.3