diff options
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls.c | 33 | ||||
| -rw-r--r-- | include/media/v4l2-ctrls.h | 8 |
2 files changed, 32 insertions, 9 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 4b105713e549..e6c98a705b19 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -1759,18 +1759,27 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, const struct v4l2_ctrl_type_ops *type_ops, u32 id, const char *name, enum v4l2_ctrl_type type, s64 min, s64 max, u64 step, s64 def, - u32 elem_size, + const u32 dims[V4L2_CTRL_MAX_DIMS], u32 elem_size, u32 flags, const char * const *qmenu, const s64 *qmenu_int, void *priv) { struct v4l2_ctrl *ctrl; unsigned sz_extra; + unsigned nr_of_dims = 0; + unsigned elems = 1; void *data; int err; if (hdl->error) return NULL; + while (dims && dims[nr_of_dims]) { + elems *= dims[nr_of_dims]; + nr_of_dims++; + if (nr_of_dims == V4L2_CTRL_MAX_DIMS) + break; + } + if (type == V4L2_CTRL_TYPE_INTEGER64) elem_size = sizeof(s64); else if (type == V4L2_CTRL_TYPE_STRING) @@ -1828,6 +1837,10 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, ctrl->is_string = type == V4L2_CTRL_TYPE_STRING; ctrl->is_ptr = type >= V4L2_CTRL_COMPOUND_TYPES || ctrl->is_string; ctrl->is_int = !ctrl->is_ptr && type != V4L2_CTRL_TYPE_INTEGER64; + ctrl->elems = elems; + ctrl->nr_of_dims = nr_of_dims; + if (nr_of_dims) + memcpy(ctrl->dims, dims, nr_of_dims * sizeof(dims[0])); ctrl->elem_size = elem_size; if (type == V4L2_CTRL_TYPE_MENU) ctrl->qmenu = qmenu; @@ -1892,8 +1905,8 @@ struct v4l2_ctrl *v4l2_ctrl_new_custom(struct v4l2_ctrl_handler *hdl, ctrl = v4l2_ctrl_new(hdl, cfg->ops, cfg->type_ops, cfg->id, name, type, min, max, - is_menu ? cfg->menu_skip_mask : step, - def, cfg->elem_size, + is_menu ? cfg->menu_skip_mask : step, def, + cfg->dims, cfg->elem_size, flags, qmenu, qmenu_int, priv); if (ctrl) ctrl->is_private = cfg->is_private; @@ -1918,7 +1931,7 @@ struct v4l2_ctrl *v4l2_ctrl_new_std(struct v4l2_ctrl_handler *hdl, return NULL; } return v4l2_ctrl_new(hdl, ops, NULL, id, name, type, - min, max, step, def, 0, + min, max, step, def, NULL, 0, flags, NULL, NULL, NULL); } EXPORT_SYMBOL(v4l2_ctrl_new_std); @@ -1951,7 +1964,7 @@ struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl, return NULL; } return v4l2_ctrl_new(hdl, ops, NULL, id, name, type, - 0, max, mask, def, 0, + 0, max, mask, def, NULL, 0, flags, qmenu, qmenu_int, NULL); } EXPORT_SYMBOL(v4l2_ctrl_new_std_menu); @@ -1983,8 +1996,8 @@ struct v4l2_ctrl *v4l2_ctrl_new_std_menu_items(struct v4l2_ctrl_handler *hdl, return NULL; } return v4l2_ctrl_new(hdl, ops, NULL, id, name, type, - 0, max, mask, def, - 0, flags, qmenu, NULL, NULL); + 0, max, mask, def, NULL, 0, + flags, qmenu, NULL, NULL); } EXPORT_SYMBOL(v4l2_ctrl_new_std_menu_items); @@ -2008,7 +2021,7 @@ struct v4l2_ctrl *v4l2_ctrl_new_int_menu(struct v4l2_ctrl_handler *hdl, return NULL; } return v4l2_ctrl_new(hdl, ops, NULL, id, name, type, - 0, max, 0, def, 0, + 0, max, 0, def, NULL, 0, flags, NULL, qmenu_int, NULL); } EXPORT_SYMBOL(v4l2_ctrl_new_int_menu); @@ -2354,7 +2367,9 @@ int v4l2_query_ext_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_query_ext_ctr if (ctrl->is_ptr) qc->flags |= V4L2_CTRL_FLAG_HAS_PAYLOAD; qc->elem_size = ctrl->elem_size; - qc->elems = 1; + qc->elems = ctrl->elems; + qc->nr_of_dims = ctrl->nr_of_dims; + memcpy(qc->dims, ctrl->dims, qc->nr_of_dims * sizeof(qc->dims[0])); qc->minimum = ctrl->minimum; qc->maximum = ctrl->maximum; qc->default_value = ctrl->default_value; diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index eb69c52e2f64..d30da09b7b69 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -129,7 +129,10 @@ typedef void (*v4l2_ctrl_notify_fnc)(struct v4l2_ctrl *ctrl, void *priv); * @maximum: The control's maximum value. * @default_value: The control's default value. * @step: The control's step value for non-menu controls. + * @elems: The number of elements in the N-dimensional array. * @elem_size: The size in bytes of the control. + * @dims: The size of each dimension. + * @nr_of_dims:The number of dimensions in @dims. * @menu_skip_mask: The control's skip mask for menu controls. This makes it * easy to skip menu items that are not valid. If bit X is set, * then menu item X is skipped. Of course, this only works for @@ -176,7 +179,10 @@ struct v4l2_ctrl { const char *name; enum v4l2_ctrl_type type; s64 minimum, maximum, default_value; + u32 elems; u32 elem_size; + u32 dims[V4L2_CTRL_MAX_DIMS]; + u32 nr_of_dims; union { u64 step; u64 menu_skip_mask; @@ -255,6 +261,7 @@ struct v4l2_ctrl_handler { * @max: The control's maximum value. * @step: The control's step value for non-menu controls. * @def: The control's default value. + * @dims: The size of each dimension. * @elem_size: The size in bytes of the control. * @flags: The control's flags. * @menu_skip_mask: The control's skip mask for menu controls. This makes it @@ -280,6 +287,7 @@ struct v4l2_ctrl_config { s64 max; u64 step; s64 def; + u32 dims[V4L2_CTRL_MAX_DIMS]; u32 elem_size; u32 flags; u64 menu_skip_mask; |