ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Satellite R830

The Toshiba Satellite R830 needs disable_backlight_sysfs_if=1, just like
the Toshiba Portege R830. Add a quirk for this.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=21012
Cc: 4.2+ <stable@vger.kernel.org> # 4.2+
Tested-by: To Do <entodoays@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 408b014f8b648772069464dc87631ec369e9b892..a76f8be1bfe761f18d223a84e789ea1d85dec7e2 100644 (file)
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -496,6 +496,15 @@ static struct dmi_system_id video_dmi_table[] = {
                DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE R830"),
                },
        },
+       {
+        /* https://bugzilla.kernel.org/show_bug.cgi?id=21012 */
+        .callback = video_disable_backlight_sysfs_if,
+        .ident = "Toshiba Satellite R830",
+        .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE R830"),
+               },
+       },
        /*
         * Some machine's _DOD IDs don't have bit 31(Device ID Scheme) set
         * but the IDs actually follow the Device ID Scheme.