media: drop use of MEDIA_API_VERSION

Set media_version to LINUX_VERSION_CODE, just as we did for
driver_version.

Nobody ever rememebers to update the version number, but
LINUX_VERSION_CODE will always be updated.

Move the MEDIA_API_VERSION define to the ifndef __KERNEL__ section of the
media.h header. That way kernelspace can't accidentally start to use
it again.

Signed-off-by: Hans Verkuil <[e-mail]>
Reviewed-by: Laurent Pinchart <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/media-device.c

···
 	strlcpy(info->serial, dev->serial, sizeof(info->serial));
 	strlcpy(info->bus_info, dev->bus_info, sizeof(info->bus_info));
 
-	info->media_version = MEDIA_API_VERSION;
+	info->media_version = LINUX_VERSION_CODE;
+	info->driver_version = info->media_version;
 	info->hw_revision = dev->hw_revision;
-	info->driver_version = LINUX_VERSION_CODE;
 
 	return 0;
 }

include/uapi/linux/media.h

···
 #include <linux/types.h>
 #include <linux/version.h>
 
-#define MEDIA_API_VERSION	KERNEL_VERSION(0, 1, 0)
-
 struct media_device_info {
 	char driver[16];
 	char model[32];
···
 #define MEDIA_ENT_T_V4L2_SUBDEV_LENS	MEDIA_ENT_F_LENS
 #define MEDIA_ENT_T_V4L2_SUBDEV_DECODER	MEDIA_ENT_F_ATV_DECODER
 #define MEDIA_ENT_T_V4L2_SUBDEV_TUNER	MEDIA_ENT_F_TUNER
+
+/* Obsolete symbol for media_version, no longer used in the kernel */
+#define MEDIA_API_VERSION		KERNEL_VERSION(0, 1, 0)
 #endif
 
 /* Entity flags */