treewide: Import and enable v4l2loopback

arch/arm64/configs/k63v2_64_bsp_defconfig

@@ -434,3 +434,4 @@ CONFIG_SECURITY_APPARMOR=y
 CONFIG_DEFAULT_SECURITY_APPARMOR=y
 CONFIG_CRYPTO_TWOFISH=y
 # CONFIG_CRYPTO_HW is not set
+CONFIG_V4L2_LOOPBACK=y

drivers/media/Makefile

@@ -24,6 +24,7 @@ endif
 
 obj-$(CONFIG_VIDEO_DEV) += v4l2-core/
 obj-$(CONFIG_DVB_CORE)  += dvb-core/
+obj-$(CONFIG_VIDEO_DEV) += v4l2loopback/
 
 # There are both core and drivers at RC subtree - merge before drivers
 obj-y += rc/

drivers/media/v4l2-core/Kconfig

@@ -107,3 +107,10 @@ config VIDEOBUF2_DMA_SG
 config VIDEOBUF2_DVB
 	tristate
 	select VIDEOBUF2_CORE
+
+config V4L2_LOOPBACK
+ 	tristate "v4l2loopback driver"
+ 	---help---
+ 	Enable v4l2loopback support, it allows to create
+ 	"virtual video devices". Normal (v4l2) applications will
+ 	read these devices as if they were ordinary video devices.

drivers/media/v4l2loopback/AUTHORS

@@ -0,0 +1,34 @@
+Aidan Thornton <makosoft AT gmail DOT com>
+Alex Hu <alex_y_xu AT yahoo DOT ca>
+Anatolij Gutschin <agust AT denx DOT de>
+Andrii Danyleiko <DefteZ @ github>
+Angus McInnes <angus AT amcinnes DOT info>
+Anton Novikov <random.plant AT gmail DOT com>
+Attila Tőkés <tokes_atti AT yahoo DOT com>
+Dmitry Eremin <dmitry.eremin AT intel DOT com>
+Gavin Qiu <yongchengq AT gmail DOT com>
+George Chriss <gschriss AT gmail DOT com>
+Gorinich Zmey
+IOhannes m zmoelnig <zmoelnig AT iem DOT at>
+Javier Infante <jabiinfante AT gmail DOT com>
+Jon Morley <jmorley AT pixsystem DOT com>
+Joan Bruguera <joanbrugueram AT gmail DOT com>
+Kai Kang <kai.kang AT windriver DOT com>
+Kurt Kiefer <kekiefer AT gmail DOT com>
+Michel Promonet <michel.promonet AT free DOT fr>
+Nick Sarnie <commendsarnex AT gmail DOT com>
+Paul Brook <paul.brook AT cocoon DOT life>
+Ricardo Ribalda Delgado <ricardo AT ribalda DOT com>
+Scott Maines <smaines AT alaya DOT com>
+Stefan Diewald <stefan.diewald AT mytum DOT de>
+Tasos Sahanidis <tasos AT tasossah DOT com>
+Ted Mielczarek <ted AT mielczarek DOT org>
+Theodore Cipicchio <okready AT github>
+Thomas Hutterer <thutterer AT suse DOT de>
+Todor Minchev <todor.minchev AT linux DOT intel DOT com>
+tongdaxu <matonglidewazi AT qq DOT com>
+tz
+Vasily Levin
+WaleedTageldeen <waleed.tageldeen AT gmail DOT com>
+wuweixin <wuweixin AT gmail DOT com>
+Yusuke Ohshima <git AT yukke DOT org>

drivers/media/v4l2loopback/Kbuild

@@ -0,0 +1 @@
+obj-$(CONFIG_V4L2_LOOPBACK)		:= v4l2loopback.o

drivers/media/v4l2loopback/Makefile

@@ -0,0 +1,5 @@
+#
+## Makefile for the V4L2 loopback
+#
+
+obj-$(CONFIG_V4L2_LOOPBACK) +=  v4l2loopback.o