Commit b943aa83 authored by Len Brown's avatar Len Brown

Merge branch 'bugzilla-13671' into release

parents ea840aa2 28c32e99
......@@ -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;
......
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