ACPI: video: Use native backlight on Lenovo E41-25/45

ACPI backlight control doesn't work on 2 Lenovo E41 laptops.
So force to use native backlight control on them.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 31014c7d3793906be9ee4eeba48c48f199a7f57d..13ce1bb9facf8b3217f22712300e83eebf61b88f 100644 (file)
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -302,6 +302,22 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
                DMI_MATCH(DMI_PRODUCT_NAME, "102434U"),
                },
        },
+       {
+        .callback = video_detect_force_native,
+        .ident = "Lenovo E41-25",
+        .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "81FS"),
+               },
+       },
+       {
+        .callback = video_detect_force_native,
+        .ident = "Lenovo E41-45",
+        .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "82BK"),
+               },
+       },
        {
         /* https://bugzilla.redhat.com/show_bug.cgi?id=1217249 */
         .callback = video_detect_force_native,