samsung-laptop: Samsung R410P backlight driver

Here's a trivial patch which adds support to the backlight device found
in Samsung R410 Plus laptops.

Signed-off-by: Alberto Mardegan <mardy@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
[mmarek: cherry-picked from staging commit d542f180]
Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 11a3fe2..39f30ff 100644 (file)
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -570,6 +570,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
                },
                .callback = dmi_check_cb,
        },
+       {
+               .ident = "R410 Plus",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR,
+                                       "SAMSUNG ELECTRONICS CO., LTD."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "R410P"),
+                       DMI_MATCH(DMI_BOARD_NAME, "R460"),
+               },
+               .callback = dmi_check_cb,
+       },
        {
                .ident = "R518",
                .matches = {