1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index b2b4d2ad7103..3ad510b25283 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -190,6 +190,8 @@ extern bool wmi_has_guid(const char *guid);
 
 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
 extern long acpi_is_video_device(struct acpi_device *device);
+extern void acpi_video_dmi_promote_vendor(void);
+extern void acpi_video_dmi_demote_vendor(void);
 extern int acpi_video_backlight_support(void);
 extern int acpi_video_display_switch_support(void);
 
@@ -205,6 +207,14 @@ static inline long acpi_is_video_device(struct acpi_device *device)
         return 0;
 }
 
+static inline void acpi_video_dmi_promote_vendor(void)
+{
+}
+
+static inline void acpi_video_dmi_demote_vendor(void)
+{
+}
+
 static inline int acpi_video_backlight_support(void)
 {
         return 0;