---

yaml
---
r: 62281
b: refs/heads/master
c: a46c5fb
h: refs/heads/master
i:
  62279: 880b852
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3d58ffe2aa107df6db57f875dba5368960b17cde
+refs/heads/master: a46c5fbc6912c4e34cb7ded314249b639dc244a6

trunk/drivers/media/video/v4l2-common.c

@@ -939,16 +939,25 @@ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qc
    When no more controls are available 0 is returned. */
 u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
 {
-	u32 ctrl_class;
+	u32 ctrl_class = V4L2_CTRL_ID2CLASS(id);
 	const u32 *pctrl;
 
-	/* if no query is desired, then just return the control ID */
-	if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0)
-		return id;
 	if (ctrl_classes == NULL)
 		return 0;
+
+	/* if no query is desired, then check if the ID is part of ctrl_classes */
+	if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0) {
+		/* find class */
+		while (*ctrl_classes && V4L2_CTRL_ID2CLASS(**ctrl_classes) != ctrl_class)
+			ctrl_classes++;
+		if (*ctrl_classes == NULL)
+			return 0;
+		pctrl = *ctrl_classes;
+		/* find control ID */
+		while (*pctrl && *pctrl != id) pctrl++;
+		return *pctrl ? id : 0;
+	}
 	id &= V4L2_CTRL_ID_MASK;
-	ctrl_class = V4L2_CTRL_ID2CLASS(id);
 	id++;	/* select next control */
 	/* find first class that matches (or is greater than) the class of
 	   the ID */