diff options
Diffstat (limited to 'include/media/soc_camera.h')
| -rw-r--r-- | include/media/soc_camera.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h index 34d2414f2b8..865246b0012 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 |