samsung-laptop: Add quirk for broken acpi_video backlight on N250P

BugLink: http://bugs.launchpad.net/bugs/1086921
Cc: stable@vger.kernel.org # v3.4+
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index dd90d15..71623a2 100644 (file)
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -1523,6 +1523,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
                },
         .driver_data = &samsung_broken_acpi_video,
        },
+       {
+        .callback = samsung_dmi_matched,
+        .ident = "N250P",
+        .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+               DMI_MATCH(DMI_PRODUCT_NAME, "N250P"),
+               DMI_MATCH(DMI_BOARD_NAME, "N250P"),
+               },
+        .driver_data = &samsung_broken_acpi_video,
+       },
        { },
 };
 MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);