patch works for me, but I need to add "acpi_backlight=vendor" to kernel params Signed-off-by: Smelov Andrey <xor29a@xxxxx> Cc: stable <stable@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- 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 @@ -704,6 +704,15 @@ static struct dmi_system_id __initdata s }, .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); -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html