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authorTomasz Stanislawski <t.stanislaws@samsung.com>2012-06-14 14:32:23 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-11-25 19:20:47 (GMT)
commitb799d09a157da71566e8013a62073435550cab6d (patch)
tree54222407a12429a93ca5c2bff69c7b96bea493f0 /include/media
parentc60520fa50cd86d64bc8ebb34300ddc4ca91393d (diff)
downloadlinux-b799d09a157da71566e8013a62073435550cab6d.tar.xz
[media] v4l: add buffer exporting via dmabuf
This patch adds extension to V4L2 api. A new ioctl VIDIOC_EXPBUF is added. The ioctl is used to export an mmap buffer as a DMABUF file descriptor. Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/v4l2-ioctl.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index e48b571..4118ad1 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -111,6 +111,8 @@ struct v4l2_ioctl_ops {
int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b);
int (*vidioc_querybuf)(struct file *file, void *fh, struct v4l2_buffer *b);
int (*vidioc_qbuf) (struct file *file, void *fh, struct v4l2_buffer *b);
+ int (*vidioc_expbuf) (struct file *file, void *fh,
+ struct v4l2_exportbuffer *e);
int (*vidioc_dqbuf) (struct file *file, void *fh, struct v4l2_buffer *b);
int (*vidioc_create_bufs)(struct file *file, void *fh, struct v4l2_create_buffers *b);