From: Raul Gutierrez Segales <rgs@collabora.co.uk>

This is a follow-up for commit 78a7539b, which didn't cover the
Samsung N220 laptop. With this backlight brightness works nicely
on the N220 netbook.

Signed-off-by: Raul Gutierrez Segales <rgs@collabora.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 drivers/platform/x86/samsung-laptop.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -663,6 +663,16 @@ static struct dmi_system_id __initdata s
 		.callback = dmi_check_cb,
 	},
 	{
+		.ident = "N220",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR,
+					"SAMSUNG ELECTRONICS CO., LTD."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "N220"),
+			DMI_MATCH(DMI_BOARD_NAME, "N220"),
+		},
+		.callback = dmi_check_cb,
+	},
+	{
 		.ident = "N150/N210/N220/N230",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR,