[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/include/media/v4l2-async.h b/src/kernel/linux/v4.14/include/media/v4l2-async.h
new file mode 100644
index 0000000..c69d8c8
--- /dev/null
+++ b/src/kernel/linux/v4.14/include/media/v4l2-async.h
@@ -0,0 +1,138 @@
+/*
+ * V4L2 asynchronous subdevice registration API
+ *
+ * Copyright (C) 2012-2013, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef V4L2_ASYNC_H
+#define V4L2_ASYNC_H
+
+#include <linux/list.h>
+#include <linux/mutex.h>
+
+struct device;
+struct device_node;
+struct v4l2_device;
+struct v4l2_subdev;
+struct v4l2_async_notifier;
+
+/* A random max subdevice number, used to allocate an array on stack */
+#define V4L2_MAX_SUBDEVS 128U
+
+/**
+ * enum v4l2_async_match_type - type of asynchronous subdevice logic to be used
+ * in order to identify a match
+ *
+ * @V4L2_ASYNC_MATCH_CUSTOM: Match will use the logic provided by &struct
+ * v4l2_async_subdev.match ops
+ * @V4L2_ASYNC_MATCH_DEVNAME: Match will use the device name
+ * @V4L2_ASYNC_MATCH_I2C: Match will check for I2C adapter ID and address
+ * @V4L2_ASYNC_MATCH_FWNODE: Match will use firmware node
+ *
+ * This enum is used by the asyncrhronous sub-device logic to define the
+ * algorithm that will be used to match an asynchronous device.
+ */
+enum v4l2_async_match_type {
+ V4L2_ASYNC_MATCH_CUSTOM,
+ V4L2_ASYNC_MATCH_DEVNAME,
+ V4L2_ASYNC_MATCH_I2C,
+ V4L2_ASYNC_MATCH_FWNODE,
+};
+
+/**
+ * struct v4l2_async_subdev - sub-device descriptor, as known to a bridge
+ *
+ * @match_type: type of match that will be used
+ * @match: union of per-bus type matching data sets
+ * @list: used to link struct v4l2_async_subdev objects, waiting to be
+ * probed, to a notifier->waiting list
+ */
+struct v4l2_async_subdev {
+ enum v4l2_async_match_type match_type;
+ union {
+ struct {
+ struct fwnode_handle *fwnode;
+ } fwnode;
+ struct {
+ const char *name;
+ } device_name;
+ struct {
+ int adapter_id;
+ unsigned short address;
+ } i2c;
+ struct {
+ bool (*match)(struct device *,
+ struct v4l2_async_subdev *);
+ void *priv;
+ } custom;
+ } match;
+
+ /* v4l2-async core private: not to be used by drivers */
+ struct list_head list;
+};
+
+/**
+ * struct v4l2_async_notifier - v4l2_device notifier data
+ *
+ * @num_subdevs: number of subdevices
+ * @subdevs: array of pointers to subdevice descriptors
+ * @v4l2_dev: pointer to struct v4l2_device
+ * @waiting: list of struct v4l2_async_subdev, waiting for their drivers
+ * @done: list of struct v4l2_subdev, already probed
+ * @list: member in a global list of notifiers
+ * @bound: a subdevice driver has successfully probed one of subdevices
+ * @complete: all subdevices have been probed successfully
+ * @unbind: a subdevice is leaving
+ */
+struct v4l2_async_notifier {
+ unsigned int num_subdevs;
+ struct v4l2_async_subdev **subdevs;
+ struct v4l2_device *v4l2_dev;
+ struct list_head waiting;
+ struct list_head done;
+ struct list_head list;
+ int (*bound)(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *subdev,
+ struct v4l2_async_subdev *asd);
+ int (*complete)(struct v4l2_async_notifier *notifier);
+ void (*unbind)(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *subdev,
+ struct v4l2_async_subdev *asd);
+};
+
+/**
+ * v4l2_async_notifier_register - registers a subdevice asynchronous notifier
+ *
+ * @v4l2_dev: pointer to &struct v4l2_device
+ * @notifier: pointer to &struct v4l2_async_notifier
+ */
+int v4l2_async_notifier_register(struct v4l2_device *v4l2_dev,
+ struct v4l2_async_notifier *notifier);
+
+/**
+ * v4l2_async_notifier_unregister - unregisters a subdevice asynchronous notifier
+ *
+ * @notifier: pointer to &struct v4l2_async_notifier
+ */
+void v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier);
+
+/**
+ * v4l2_async_register_subdev - registers a sub-device to the asynchronous
+ * subdevice framework
+ *
+ * @sd: pointer to &struct v4l2_subdev
+ */
+int v4l2_async_register_subdev(struct v4l2_subdev *sd);
+
+/**
+ * v4l2_async_unregister_subdev - unregisters a sub-device to the asynchronous
+ * subdevice framework
+ *
+ * @sd: pointer to &struct v4l2_subdev
+ */
+void v4l2_async_unregister_subdev(struct v4l2_subdev *sd);
+#endif