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path: root/drivers/media/v4l2-core/v4l2-ctrls.c
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Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ctrls.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-ctrls.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index dd1db678718c..cbb2ef43945f 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -1227,6 +1227,16 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
}
EXPORT_SYMBOL(v4l2_ctrl_fill);
+static u32 user_flags(const struct v4l2_ctrl *ctrl)
+{
+ u32 flags = ctrl->flags;
+
+ if (ctrl->is_ptr)
+ flags |= V4L2_CTRL_FLAG_HAS_PAYLOAD;
+
+ return flags;
+}
+
static void fill_event(struct v4l2_event *ev, struct v4l2_ctrl *ctrl, u32 changes)
{
memset(ev->reserved, 0, sizeof(ev->reserved));
@@ -1234,7 +1244,7 @@ static void fill_event(struct v4l2_event *ev, struct v4l2_ctrl *ctrl, u32 change
ev->id = ctrl->id;
ev->u.ctrl.changes = changes;
ev->u.ctrl.type = ctrl->type;
- ev->u.ctrl.flags = ctrl->flags;
+ ev->u.ctrl.flags = user_flags(ctrl);
if (ctrl->is_ptr)
ev->u.ctrl.value64 = 0;
else
@@ -2003,10 +2013,6 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
handler_set_err(hdl, err);
return NULL;
}
- if (type == V4L2_CTRL_TYPE_BITMASK && ((def & ~max) || min || step)) {
- handler_set_err(hdl, -ERANGE);
- return NULL;
- }
if (is_array &&
(type == V4L2_CTRL_TYPE_BUTTON ||
type == V4L2_CTRL_TYPE_CTRL_CLASS)) {
@@ -2577,10 +2583,8 @@ int v4l2_query_ext_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_query_ext_ctr
else
qc->id = ctrl->id;
strlcpy(qc->name, ctrl->name, sizeof(qc->name));
- qc->flags = ctrl->flags;
+ qc->flags = user_flags(ctrl);
qc->type = ctrl->type;
- if (ctrl->is_ptr)
- qc->flags |= V4L2_CTRL_FLAG_HAS_PAYLOAD;
qc->elem_size = ctrl->elem_size;
qc->elems = ctrl->elems;
qc->nr_of_dims = ctrl->nr_of_dims;
@@ -2818,7 +2822,7 @@ static int prepare_ext_ctrls(struct v4l2_ctrl_handler *hdl,
static int class_check(struct v4l2_ctrl_handler *hdl, u32 which)
{
if (which == 0 || which == V4L2_CTRL_WHICH_DEF_VAL)
- return list_empty(&hdl->ctrl_refs) ? -EINVAL : 0;
+ return 0;
return find_ref_lock(hdl, which | 1) ? 0 : -EINVAL;
}