linux-kernel - [36/63] [media] uvcvideo: Fix descriptor parsing for video output devices

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Message-Id: <20110325234511.625750905@clark.kroah.org>
Date:	Fri, 25 Mar 2011 16:44:12 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...hat.com>
Subject: [36/63] [media] uvcvideo: Fix descriptor parsing for video output devices

2.6.38-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Laurent Pinchart <laurent.pinchart@...asonboard.com>

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@...asonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/media/video/uvc/uvc_driver.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- 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
 
 		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)


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