From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Sun, 6 Jan 2013 02:34:22 +0000 (-0200)
Subject: [media] em28xx: enable DMABUF
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ef85cd9cd5474e94638248955d035598789fc737;p=openwrt%2Fstaging%2Fblogic.git

[media] em28xx: enable DMABUF

Now that it uses videobuf2, em28xx can support DMABUF.

Tested with an HVR-950 on analog mode and a 2gen i5core machine
with an i915 graphics adapter.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 75027e390738..2eabf2a94752 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -699,7 +699,7 @@ int em28xx_vb2_setup(struct em28xx *dev)
 	/* Setup Videobuf2 for Video capture */
 	q = &dev->vb_vidq;
 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR;
+	q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
 	q->drv_priv = dev;
 	q->buf_struct_size = sizeof(struct em28xx_buffer);
 	q->ops = &em28xx_video_qops;