ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Portege R700

The Toshiba Portege R700 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: Emma Reisz <emmareisz@outlook.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 06a006f..15863a8 100644 (file)
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -478,6 +478,15 @@ static struct dmi_system_id video_dmi_table[] = {
         * control on these systems, but do not register a backlight sysfs
         * as brightness control does not work.
         */
+       {
+        /* https://bugzilla.kernel.org/show_bug.cgi?id=21012 */
+        .callback = video_disable_backlight_sysfs_if,
+        .ident = "Toshiba Portege R700",
+        .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE R700"),
+               },
+       },
        {
         /* https://bugs.freedesktop.org/show_bug.cgi?id=82634 */
         .callback = video_disable_backlight_sysfs_if,