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Commit b943aa83 authored by Len Brown's avatar Len Brown
Browse files

Merge branch 'bugzilla-13671' into release

parents ea840aa2 28c32e99

drivers/acpi/video.c

+4 −0
Original line number Diff line number Diff line
@@ -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;