ACPI: video: use native backlight for GA401/GA502/GA503

Force backlight control in these models to use the native interface
at /sys/class/backlight/amdgpu_bl0.

Signed-off-by: Luke D. Jones <luke@ljones.dev>
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 83cd4c9..33474fd 100644 (file)
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -385,6 +385,30 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
                DMI_MATCH(DMI_BOARD_NAME, "BA51_MV"),
                },
        },
+       {
+       .callback = video_detect_force_native,
+       .ident = "ASUSTeK COMPUTER INC. GA401",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+               DMI_MATCH(DMI_PRODUCT_NAME, "GA401"),
+               },
+       },
+       {
+       .callback = video_detect_force_native,
+       .ident = "ASUSTeK COMPUTER INC. GA502",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+               DMI_MATCH(DMI_PRODUCT_NAME, "GA502"),
+               },
+       },
+       {
+       .callback = video_detect_force_native,
+       .ident = "ASUSTeK COMPUTER INC. GA503",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+               DMI_MATCH(DMI_PRODUCT_NAME, "GA503"),
+               },
+       },
 
        /*
         * Desktops which falsely report a backlight and which our heuristics