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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2010-07-30 17:24:55 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-10-21 01:04:52 -0200
commit692d5522646fdf432329efbe5092dc9c5ca83e85 (patch)
treeb68da8aa39f3acd1098ed6c7129e6ccebcf44cb0 /include
parentc4ce6d14b92aa1772c9d84d068d1b45114fe73cc (diff)
V4L/DVB: v4l: Add a v4l2_subdev host private data field
The existing priv field stores subdev private data owned by the subdev driver. Host (bridge) drivers might need to store per-subdev host-specific data, such as a pointer to platform data. Add a v4l2_subdev host_priv field to store host-specific data, and rename the existing priv field to dev_priv. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/media/v4l2-subdev.h20
1 files changed, 16 insertions, 4 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 905879d7742f..b0316a7cf08d 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -438,17 +438,28 @@ struct v4l2_subdev {
/* can be used to group similar subdevs, value is driver-specific */
u32 grp_id;
/* pointer to private data */
- void *priv;
+ void *dev_priv;
+ void *host_priv;
};
static inline void v4l2_set_subdevdata(struct v4l2_subdev *sd, void *p)
{
- sd->priv = p;
+ sd->dev_priv = p;
}
static inline void *v4l2_get_subdevdata(const struct v4l2_subdev *sd)
{
- return sd->priv;
+ return sd->dev_priv;
+}
+
+static inline void v4l2_set_subdev_hostdata(struct v4l2_subdev *sd, void *p)
+{
+ sd->host_priv = p;
+}
+
+static inline void *v4l2_get_subdev_hostdata(const struct v4l2_subdev *sd)
+{
+ return sd->host_priv;
}
static inline void v4l2_subdev_init(struct v4l2_subdev *sd,
@@ -462,7 +473,8 @@ static inline void v4l2_subdev_init(struct v4l2_subdev *sd,
sd->flags = 0;
sd->name[0] = '\0';
sd->grp_id = 0;
- sd->priv = NULL;
+ sd->dev_priv = NULL;
+ sd->host_priv = NULL;
}
/* Call an ops of a v4l2_subdev, doing the right checks against

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