Add AdobeRGB and BT.2020 support.

The colorspace control now orders the colorspaces according to how often
they are used. So rarely used colorspaces are moved to the end. This makes
it more logical when testing colorspace support.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

Signed-off-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

This is useful to test teletext capture applications like alevt and mtt.

It also fixes a previously undetected bug where the PAL VBI start line
of the second field was off by one. Using the new field start defines
helps a lot fixing such bugs.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

Fix kbuild test robot warnings about missing vmalloc.h and string.h
includes.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

This fixes a compilation error with allyesconfig:

drivers/media/platform/exynos-gsc/built-in.o: In function `get_format':
(.text+0x12f5): multiple definition of `get_format'
drivers/media/platform/vivid/built-in.o:(.text+0x4bf4): first defined here
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

This adds the ioctl and vb2 queue support for video capture and output.
Part of this is common to both, so that is placed in a vid-common source.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>