1 files changed, 26 insertions, 0 deletions

diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index c48c24e4d0fa..33a18426ab9b 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -153,6 +153,22 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct v4l2_device *v4l2_dev,
 struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
                 struct i2c_adapter *adapter,
                 const char *module_name, const char *client_type, u8 addr);
+
+/* Load an i2c module and return an initialized v4l2_subdev struct.
+   Only call request_module if module_name != NULL.
+   The client_type argument is the name of the chip that's on the adapter. */
+struct v4l2_subdev *v4l2_i2c_new_subdev_cfg(struct v4l2_device *v4l2_dev,
+                struct i2c_adapter *adapter,
+                const char *module_name, const char *client_type,
+                int irq, void *platform_data,
+                u8 addr, const unsigned short *probe_addrs);
+
+struct i2c_board_info;
+
+struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
+                struct i2c_adapter *adapter, const char *module_name,
+                struct i2c_board_info *info, const unsigned short *probe_addrs);
+
 /* Initialize an v4l2_subdev with data from an i2c_client struct */
 void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
                 const struct v4l2_subdev_ops *ops);
@@ -193,4 +209,14 @@ struct v4l2_routing {
         u32 output;
 };
 
+/* ------------------------------------------------------------------------- */
+
+/* Miscellaneous helper functions */
+
+void v4l_bound_align_image(unsigned int *w, unsigned int wmin,
+                           unsigned int wmax, unsigned int walign,
+                           unsigned int *h, unsigned int hmin,
+                           unsigned int hmax, unsigned int halign,
+                           unsigned int salign);
+
 #endif /* V4L2_COMMON_H_ */