diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2010-07-30 17:24:55 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 01:04:52 -0200 |
| commit | 692d5522646fdf432329efbe5092dc9c5ca83e85 (patch) | |
| tree | b68da8aa39f3acd1098ed6c7129e6ccebcf44cb0 /include/media | |
| parent | c4ce6d14b92aa1772c9d84d068d1b45114fe73cc (diff) | |
| download | linux-692d5522646fdf432329efbe5092dc9c5ca83e85.tar.gz linux-692d5522646fdf432329efbe5092dc9c5ca83e85.tar.bz2 linux-692d5522646fdf432329efbe5092dc9c5ca83e85.zip | |
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/media')
| -rw-r--r-- | include/media/v4l2-subdev.h | 20 |
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 |