diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-ctrls.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index f615ba1b29dd..192e31c21faf 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -247,6 +247,8 @@ struct v4l2_ctrl { * @ctrl: The actual control information. * @helper: Pointer to helper struct. Used internally in * ``prepare_ext_ctrls`` function at ``v4l2-ctrl.c``. + * @from_other_dev: If true, then @ctrl was defined in another + * device than the &struct v4l2_ctrl_handler. * * Each control handler has a list of these refs. The list_head is used to * keep a sorted-by-control-ID list of all controls, while the next pointer @@ -257,6 +259,7 @@ struct v4l2_ctrl_ref { struct v4l2_ctrl_ref *next; struct v4l2_ctrl *ctrl; struct v4l2_ctrl_helper *helper; + bool from_other_dev; }; /** @@ -633,6 +636,8 @@ typedef bool (*v4l2_ctrl_filter)(const struct v4l2_ctrl *ctrl); * @add: The control handler whose controls you want to add to * the @hdl control handler. * @filter: This function will filter which controls should be added. + * @from_other_dev: If true, then the controls in @add were defined in another + * device than @hdl. * * Does nothing if either of the two handlers is a NULL pointer. * If @filter is NULL, then all controls are added. Otherwise only those @@ -642,7 +647,8 @@ typedef bool (*v4l2_ctrl_filter)(const struct v4l2_ctrl *ctrl); */ int v4l2_ctrl_add_handler(struct v4l2_ctrl_handler *hdl, struct v4l2_ctrl_handler *add, - v4l2_ctrl_filter filter); + v4l2_ctrl_filter filter, + bool from_other_dev); /** * v4l2_ctrl_radio_filter() - Standard filter for radio controls. |