From 692d5522646fdf432329efbe5092dc9c5ca83e85 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 30 Jul 2010 17:24:55 -0300 Subject: 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 Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/media/v4l2-subdev.h | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) (limited to 'include') diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 905879d..b0316a7 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 -- cgit v1.1