media: staging/media: add a STAGING_MEDIA_DEPRECATED option

Add a kernel config option to build deprecated media drivers
that are scheduled for removal. Move stkwebcam to the deprecated
directory to make it clear that this driver is deprecated.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/Kconfig

@@ -38,10 +38,24 @@ source "drivers/staging/media/omap4iss/Kconfig"
 
 source "drivers/staging/media/rkvdec/Kconfig"
 
-source "drivers/staging/media/stkwebcam/Kconfig"
-
 source "drivers/staging/media/sunxi/Kconfig"
 
 source "drivers/staging/media/tegra-video/Kconfig"
 
+menuconfig STAGING_MEDIA_DEPRECATED
+	bool "Media staging drivers (DEPRECATED)"
+	default n
+	help
+	  This option enables deprecated media drivers that are
+	  scheduled for future removal from the kernel.
+
+	  If you wish to work on these drivers to prevent their removal,
+	  then contact the linux-media@vger.kernel.org mailing list.
+
+	  If in doubt, say N here.
+
+if STAGING_MEDIA_DEPRECATED
+source "drivers/staging/media/deprecated/stkwebcam/Kconfig"
+endif
+
 endif

drivers/staging/media/Makefile

@@ -5,7 +5,7 @@ obj-$(CONFIG_VIDEO_MAX96712)	+= max96712/
 obj-$(CONFIG_VIDEO_MESON_VDEC)	+= meson/vdec/
 obj-$(CONFIG_VIDEO_OMAP4)	+= omap4iss/
 obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC)	+= rkvdec/
-obj-$(CONFIG_VIDEO_STKWEBCAM)	+= stkwebcam/
+obj-$(CONFIG_VIDEO_STKWEBCAM)	+= deprecated/stkwebcam/
 obj-$(CONFIG_VIDEO_SUNXI)	+= sunxi/
 obj-$(CONFIG_VIDEO_TEGRA)	+= tegra-video/
 obj-$(CONFIG_VIDEO_HANTRO)	+= hantro/