[media] V4L: Rename v4l2_async_bus_* to v4l2_async_match_*

enum v4l2_async_bus_type also selects a method subdevs are matched
in the notification handlers, rename it to v4l2_async_match_type
so V4L2_ASYNC_MATCH_OF entry can be further added for matching by
device tree node pointer.
Acked-and-tested-by: Lad, Prabhakar <[email protected]>

Signed-off-by: Sylwester Nawrocki <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Acked-by: Laurent Pinchart <[email protected]>
Acked-by: Hans Verkuil <[email protected]>
Acked-by: Guennadi Liakhovetski <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
diff --git a/include/media/v4l2-async.h b/include/media/v4l2-async.h
index c3ec6ac..33e3b2a 100644
--- a/include/media/v4l2-async.h
+++ b/include/media/v4l2-async.h
@@ -22,10 +22,10 @@
 /* A random max subdevice number, used to allocate an array on stack */
 #define V4L2_MAX_SUBDEVS 128U
 
-enum v4l2_async_bus_type {
-	V4L2_ASYNC_BUS_CUSTOM,
-	V4L2_ASYNC_BUS_PLATFORM,
-	V4L2_ASYNC_BUS_I2C,
+enum v4l2_async_match_type {
+	V4L2_ASYNC_MATCH_CUSTOM,
+	V4L2_ASYNC_MATCH_DEVNAME,
+	V4L2_ASYNC_MATCH_I2C,
 };
 
 /**
@@ -36,11 +36,11 @@
  *		probed, to a notifier->waiting list
  */
 struct v4l2_async_subdev {
-	enum v4l2_async_bus_type bus_type;
+	enum v4l2_async_match_type match_type;
 	union {
 		struct {
 			const char *name;
-		} platform;
+		} device_name;
 		struct {
 			int adapter_id;
 			unsigned short address;