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[media] v4l: add buffer exporting via dmabuf
authorTomasz Stanislawski <t.stanislaws@samsung.com>
Thu, 14 Jun 2012 14:32:23 +0000 (11:32 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sun, 25 Nov 2012 19:20:47 +0000 (17:20 -0200)
commitb799d09a157da71566e8013a62073435550cab6d
tree54222407a12429a93ca5c2bff69c7b96bea493f0tree | snapshot
parentc60520fa50cd86d64bc8ebb34300ddc4ca91393dcommit | diff
[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>
drivers/media/v4l2-core/v4l2-compat-ioctl32.c diff | blob | history
drivers/media/v4l2-core/v4l2-dev.c diff | blob | history
drivers/media/v4l2-core/v4l2-ioctl.c diff | blob | history
include/media/v4l2-ioctl.h diff | blob | history
include/uapi/linux/videodev2.h diff | blob | history
Domain: System / Uncategorized;