linux-kernel - [PATCH] [97/106] uvcvideo: Fix descriptor parsing for video output devices

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Date:	Tue, 26 Apr 2011 14:14:19 -0700 (PDT)
From:	Andi Kleen <andi@...stfloor.org>
To:	laurent.pinchart@...asonboard.com, mchehab@...hat.com,
	gregkh@...e.de, ak@...ux.intel.com, linux-kernel@...r.kernel.org,
	stable@...nel.org, tim.bird@...sony.com
Subject: [PATCH] [97/106] uvcvideo: Fix descriptor parsing for video output devices

2.6.35-longterm review patch.  If anyone has any objections, please let me 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>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>

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

Index: linux-2.6.35.y/drivers/media/video/uvc/uvc_driver.c
===================================================================
--- linux-2.6.35.y.orig/drivers/media/video/uvc/uvc_driver.c
+++ linux-2.6.35.y/drivers/media/video/uvc/uvc_driver.c
@@ -1261,6 +1261,14 @@ 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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