1 files changed, 11 insertions, 1 deletions

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 17856081c809..5dcb36785529 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -79,7 +79,11 @@ struct v4l2_decode_vbi_line {
    not yet implemented) since ops provide proper type-checking.
  */
 
-/* init: initialize the sensor registors to some sort of reasonable default
+/* s_config: if set, then it is always called by the v4l2_i2c_new_subdev*
+        functions after the v4l2_subdev was registered. It is used to pass
+        platform data to the subdev which can be used during initialization.
+
+   init: initialize the sensor registors to some sort of reasonable default
         values. Do not use for new drivers and should be removed in existing
         drivers.
 
@@ -96,6 +100,7 @@ struct v4l2_decode_vbi_line {
 struct v4l2_subdev_core_ops {
         int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip);
         int (*log_status)(struct v4l2_subdev *sd);
+        int (*s_config)(struct v4l2_subdev *sd, int irq, void *platform_data);
         int (*init)(struct v4l2_subdev *sd, u32 val);
         int (*load_fw)(struct v4l2_subdev *sd);
         int (*reset)(struct v4l2_subdev *sd, u32 val);
@@ -230,12 +235,16 @@ struct v4l2_subdev_ops {
 
 #define V4L2_SUBDEV_NAME_SIZE 32
 
+/* Set this flag if this subdev is a i2c device. */
+#define V4L2_SUBDEV_FL_IS_I2C (1U << 0)
+
 /* Each instance of a subdev driver should create this struct, either
    stand-alone or embedded in a larger struct.
  */
 struct v4l2_subdev {
         struct list_head list;
         struct module *owner;
+        u32 flags;
         struct v4l2_device *v4l2_dev;
         const struct v4l2_subdev_ops *ops;
         /* name must be unique */
@@ -264,6 +273,7 @@ static inline void v4l2_subdev_init(struct v4l2_subdev *sd,
         BUG_ON(!ops || !ops->core);
         sd->ops = ops;
         sd->v4l2_dev = NULL;
+        sd->flags = 0;
         sd->name[0] = '\0';
         sd->grp_id = 0;
         sd->priv = NULL;