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Merge branch 'bugzilla-13671' into release

Len Brown 15 years ago
parent
commit
b943aa83f8
1 changed files with 4 additions and 0 deletions
  1. 4 0
      drivers/acpi/video.c

+ 4 - 0
drivers/acpi/video.c

@@ -1979,6 +1979,10 @@ acpi_video_switch_brightness(struct acpi_video_device *device, int event)
 	unsigned long long level_current, level_next;
 	int result = -EINVAL;
 
+	/* no warning message if acpi_backlight=vendor is used */
+	if (!acpi_video_backlight_support())
+		return 0;
+
 	if (!device->brightness)
 		goto out;