From: Frank Schaefer <fschaefer.oss@googlemail.com>
Date: Thu, 7 Feb 2013 16:39:21 +0000 (-0300)
Subject: [media] em28xx: do not claim VBI support if the device is a camera
X-Git-Tag: firefly_0821_release~3680^2~618^2~670
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=84e902aa05b628b940c4a17ea2c92ec4fbcffc18;p=firefly-linux-kernel-4.4.55.git

[media] em28xx: do not claim VBI support if the device is a camera

Avoids registering a VBI device and streaming in VBI-mode if the device is a
camera.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index aaedd11791f2..26d249971a01 100644
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -681,6 +681,11 @@ int em28xx_vbi_supported(struct em28xx *dev)
 	if (disable_vbi == 1)
 		return 0;
 
+	if (dev->board.is_webcam)
+		return 0;
+
+	/* FIXME: check subdevices for VBI support */
+
 	if (dev->chip_id == CHIP_ID_EM2860 ||
 	    dev->chip_id == CHIP_ID_EM2883)
 		return 1;