Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / include / media / v4l2-subdev.h

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index b0316a7cf08d21f2ac68f1dc452894441948c155..daf1e57d9b266e9be3daf59e2c0e141351fa78d8 100644 (file)
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -106,10 +106,7 @@ struct v4l2_subdev_io_pin_config {
        u8 strength;    /* Pin drive strength */
 };
 
-/* 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.
-
+/*
    s_io_pin_config: configure one or more chip I/O pins for chips that
        multiplex different internal signal pads out to IO pins.  This function
        takes a pointer to an array of 'n' pin configuration entries, one for
@@ -141,7 +138,6 @@ struct v4l2_subdev_io_pin_config {
 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 (*s_io_pin_config)(struct v4l2_subdev *sd, size_t n,
                                      struct v4l2_subdev_io_pin_config *pincfg);
        int (*init)(struct v4l2_subdev *sd, u32 val);
@@ -415,6 +411,21 @@ struct v4l2_subdev_ops {
        const struct v4l2_subdev_sensor_ops     *sensor;
 };
 
+/*
+ * Internal ops. Never call this from drivers, only the v4l2 framework can call
+ * these ops.
+ *
+ * registered: called when this subdev is registered. When called the v4l2_dev
+ *     field is set to the correct v4l2_device.
+ *
+ * unregistered: called when this subdev is unregistered. When called the
+ *     v4l2_dev field is still set to the correct v4l2_device.
+ */
+struct v4l2_subdev_internal_ops {
+       int (*registered)(struct v4l2_subdev *sd);
+       void (*unregistered)(struct v4l2_subdev *sd);
+};
+
 #define V4L2_SUBDEV_NAME_SIZE 32
 
 /* Set this flag if this subdev is a i2c device. */
@@ -431,6 +442,8 @@ struct v4l2_subdev {
        u32 flags;
        struct v4l2_device *v4l2_dev;
        const struct v4l2_subdev_ops *ops;
+       /* Never call these internal ops from within a driver! */
+       const struct v4l2_subdev_internal_ops *internal_ops;
        /* The control handler of this subdev. May be NULL. */
        struct v4l2_ctrl_handler *ctrl_handler;
        /* name must be unique */