uvcvideo: Fix descriptor parsing for video output devices

commit 4093a5c4a3f59cba1a085bbf87b6ffdddc5a443d upstream.

Commit 4057ac6ca9a77c4275b34b5925ab5c99557913b1

    V4L/DVB (13505): uvcvideo: Refactor chain scan

broke output terminals parsing. Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index a1e9dfb..6459b8c 100644 (file)
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -1264,6 +1264,14 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
 
                break;
 
+       case UVC_OTT_VENDOR_SPECIFIC:
+       case UVC_OTT_DISPLAY:
+       case UVC_OTT_MEDIA_TRANSPORT_OUTPUT:
+               if (uvc_trace_param & UVC_TRACE_PROBE)
+                       printk(" OT %d", entity->id);
+
+               break;
+
        case UVC_TT_STREAMING:
                if (UVC_ENTITY_IS_ITERM(entity)) {
                        if (uvc_trace_param & UVC_TRACE_PROBE)