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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2023-10-13 10:15:48 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-11-23 20:30:41 +0300 |
| commit | 52c2575db8faa1d93227a92a32deb2cd66b96614 (patch) | |
| tree | e70b797ba47efbefedaeb5304aed1c886a983140 | |
| parent | aeb18af18828f65eebb3dc475c62faab9cc8e9b6 (diff) | |
| download | linux-52c2575db8faa1d93227a92a32deb2cd66b96614.tar.xz | |
media: v4l: subdev: Store the sub-device in the sub-device state
Store the sub-device in the sub-device state. This will be needed in e.g.
validating pad number when retrieving information for non-stream-aware
users. There are expected to be more needs for this in the future.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 2 | ||||
| -rw-r--r-- | include/media/v4l2-subdev.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index be86b906c985..cd3ff5b19d0c 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -1448,6 +1448,8 @@ __v4l2_subdev_state_alloc(struct v4l2_subdev *sd, const char *lock_name, else state->lock = &state->_lock; + state->sd = sd; + /* Drivers that support streams do not need the legacy pad config */ if (!(sd->flags & V4L2_SUBDEV_FL_STREAMS) && sd->entity.num_pads) { state->pads = kvcalloc(sd->entity.num_pads, diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 8a345b5fa39d..46296852cb5b 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -749,6 +749,7 @@ struct v4l2_subdev_krouting { * * @_lock: default for 'lock' * @lock: mutex for the state. May be replaced by the user. + * @sd: the sub-device which the state is related to * @pads: &struct v4l2_subdev_pad_config array * @routing: routing table for the subdev * @stream_configs: stream configurations (only for V4L2_SUBDEV_FL_STREAMS) @@ -761,6 +762,7 @@ struct v4l2_subdev_state { /* lock for the struct v4l2_subdev_state fields */ struct mutex _lock; struct mutex *lock; + struct v4l2_subdev *sd; struct v4l2_subdev_pad_config *pads; struct v4l2_subdev_krouting routing; struct v4l2_subdev_stream_configs stream_configs; |