1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
index 694a15a56230..905fa01ac8df 100644
--- a/drivers/platform/x86/apple-gmux.c
+++ b/drivers/platform/x86/apple-gmux.c
@@ -193,7 +193,10 @@ static int __devinit gmux_probe(struct pnp_dev *pnp,
          * backlight control and supports more levels than other options.
          * Disable the other backlight choices.
          */
+        acpi_video_dmi_promote_vendor();
+#ifdef CONFIG_ACPI_VIDEO
         acpi_video_unregister();
+#endif
         apple_bl_unregister();
 
         return 0;
@@ -213,7 +216,10 @@ static void __devexit gmux_remove(struct pnp_dev *pnp)
         release_region(gmux_data->iostart, gmux_data->iolen);
         kfree(gmux_data);
 
+        acpi_video_dmi_demote_vendor();
+#ifdef CONFIG_ACPI_VIDEO
         acpi_video_register();
+#endif
         apple_bl_register();
 }