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>

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 359163011044d4fced62b95164a7d8baee399cc1..37374a5878eb91e811903e4ac4ab65302a8c8264 100644 (file)
--- 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);