Commit 82069552 authored Dec 06, 2010 by Zhang Rui Committed by Len Brown Dec 14, 2010

ACPI video: check cap._DDC flag before getting EDID



cap._DDC is defined but never used.
Check this flag now and don't try to get EDID for video output devices with this flag cleared.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

parent 677bd810

drivers/acpi/video.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1275,6 +1275,9 @@ int acpi_video_get_edid(struct acpi_device *device, int type, int device_id,
		if (!video_device)
		continue;

		if (!video_device->cap._DDC)
		continue;

		if (type) {
		switch (type) {
		case ACPI_VIDEO_DISPLAY_CRT: