[media] media: v4l2-ctrl: add a helper function to add standard control with driver specific menu

Add helper function v4l2_ctrl_new_std_menu_items(), which adds
a standard menu control, with driver specific menu.

Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 801adb466bd2..96509119f28f 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -351,6 +351,29 @@ struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl,
                         const struct v4l2_ctrl_ops *ops,
                         u32 id, s32 max, s32 mask, s32 def);
 
+/** v4l2_ctrl_new_std_menu_items() - Create a new standard V4L2 menu control
+  * with driver specific menu.
+  * @hdl:       The control handler.
+  * @ops:       The control ops.
+  * @id:        The control ID.
+  * @max:       The control's maximum value.
+  * @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
+  *             menus with <= 32 menu items. There are no menus that come
+  *             close to that number, so this is OK. Should we ever need more,
+  *             then this will have to be extended to a u64 or a bit array.
+  * @def:       The control's default value.
+  * @qmenu:     The new menu.
+  *
+  * Same as v4l2_ctrl_new_std_menu(), but @qmenu will be the driver specific
+  * menu of this control.
+  *
+  */
+struct v4l2_ctrl *v4l2_ctrl_new_std_menu_items(struct v4l2_ctrl_handler *hdl,
+                        const struct v4l2_ctrl_ops *ops, u32 id, s32 max,
+                        s32 mask, s32 def, const char * const *qmenu);
+
 /** v4l2_ctrl_new_int_menu() - Create a new standard V4L2 integer menu control.
   * @hdl:       The control handler.
   * @ops:       The control ops.