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

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

From: Tommaso Massimi <redacted>

commit 7500eeb08a179e61a4219288c21407d63d1e9c64 upstream.

my samsung laptop would be very happy if you add
these lines to the file drivers/platform/x86/samsung-laptop.c

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <redacted>

---
 drivers/platform/x86/samsung-laptop.c |    9 +++++++++
 1 file changed, 9 insertions(+)

--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c

@@ -695,6 +695,15 @@ static struct dmi_system_id __initdata s
 		},
 		.callback = dmi_check_cb,
 	},
+		{
+		.ident = "X520",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X520"),
+			DMI_MATCH(DMI_BOARD_NAME, "X520"),
+		},
+		.callback = dmi_check_cb,
+	},
 	{ },
 };
 MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);