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Hans Verkuil authored
Add VB2_DMABUF and VIDIOC_EXPBUF support. Also add VB2_USERPTR support for the vmalloc DMA mode which was missing for no good reason. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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