1 files changed, 21 insertions, 6 deletions

diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 34d2414f2b8c..865246b00127 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -146,9 +146,14 @@ struct soc_camera_subdev_desc {
         /* sensor driver private platform data */
         void *drv_priv;
 
-        /* Optional regulators that have to be managed on power on/off events */
-        struct regulator_bulk_data *regulators;
-        int num_regulators;
+        /*
+         * Set unbalanced_power to true to deal with legacy drivers, failing to
+         * balance their calls to subdevice's .s_power() method. clock_state is
+         * then used internally by helper functions, it shouldn't be touched by
+         * drivers or the platform code.
+         */
+        bool unbalanced_power;
+        unsigned long clock_state;
 
         /* Optional callbacks to power on or off and reset the sensor */
         int (*power)(struct device *, int);
@@ -162,6 +167,9 @@ struct soc_camera_subdev_desc {
         int (*set_bus_param)(struct soc_camera_subdev_desc *, unsigned long flags);
         unsigned long (*query_bus_param)(struct soc_camera_subdev_desc *);
         void (*free_bus)(struct soc_camera_subdev_desc *);
+
+        /* Optional regulators that have to be managed on power on/off events */
+        struct v4l2_subdev_platform_data sd_pdata;
 };
 
 struct soc_camera_host_desc {
@@ -202,9 +210,10 @@ struct soc_camera_link {
 
         void *priv;
 
-        /* Optional regulators that have to be managed on power on/off events */
-        struct regulator_bulk_data *regulators;
-        int num_regulators;
+        /* Set by platforms to handle misbehaving drivers */
+        bool unbalanced_power;
+        /* Used by soc-camera helper functions */
+        unsigned long clock_state;
 
         /* Optional callbacks to power on or off and reset the sensor */
         int (*power)(struct device *, int);
@@ -218,6 +227,12 @@ struct soc_camera_link {
         unsigned long (*query_bus_param)(struct soc_camera_link *);
         void (*free_bus)(struct soc_camera_link *);
 
+        /* Optional regulators that have to be managed on power on/off events */
+        struct regulator_bulk_data *regulators;
+        int num_regulators;
+
+        void *host_priv;
+
         /*
          * Host part - keep at bottom and compatible to
          * struct soc_camera_host_desc