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-rw-r--r--drivers/acpi/video_detect.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 295744fe7c92..e85729fc481f 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -300,6 +300,20 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
},
/*
+ * Older models with nvidia GPU which need acpi_video backlight
+ * control and where the old nvidia binary driver series does not
+ * call acpi_video_register_backlight().
+ */
+ {
+ .callback = video_detect_force_video,
+ /* ThinkPad W530 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W530"),
+ },
+ },
+
+ /*
* These models have a working acpi_video backlight control, and using
* native backlight causes a regression where backlight does not work
* when userspace is not handling brightness key events. Disable