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

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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>
This commit is contained in:
Lad, Prabhakar
2012-09-18 15:54:38 -03:00
committed by Mauro Carvalho Chehab
parent 5ebef0fbe0
commit 117a711a2c
3 changed files with 77 additions and 0 deletions
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23
include/media/v4l2-ctrls.h
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@@ -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.