Platform: samsung_laptop: samsung backlight for R528/R728

patch works for me, but I need to add "acpi_backlight=vendor" to kernel
params

Signed-off-by: Smelov Andrey <xor29a@bk.ru>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 35916301104..37374a5878e 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -686,6 +686,15 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
                 },
                 .callback = dmi_check_cb,
         },
+        {
+                .ident = "R528/R728",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "R528/R728"),
+                        DMI_MATCH(DMI_BOARD_NAME, "R528/R728"),
+                },
+                .callback = dmi_check_cb,
+        },
         { },
 };
 MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);