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authorSylwester Nawrocki <s.nawrocki@samsung.com>2013-07-09 01:24:40 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2013-08-18 07:12:59 -0300
commitd1e9b7c12b745af715101578a677e4a6b16c09e4 (patch)
tree6ccfe5745fc9bdc28c14fbab746f973608b39f8d /Documentation/video4linux
parentdebe6267b718526ee9715501b8f52a0295e3712a (diff)
downloadkernel-d1e9b7c12b745af715101578a677e4a6b16c09e4.tar.gz
[media] V4L: Add support for integer menu controls with standard menu items
The patch modifies the helper function v4l2_ctrl_new_std_menu to accept integer menu controls with standard menu items. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Arun Kumar K <arun.kk@samsung.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'Documentation/video4linux')
-rw-r--r--Documentation/video4linux/v4l2-controls.txt21
1 files changed, 11 insertions, 10 deletions
diff --git a/Documentation/video4linux/v4l2-controls.txt b/Documentation/video4linux/v4l2-controls.txt
index 676f87366025..06cf3ac83631 100644
--- a/Documentation/video4linux/v4l2-controls.txt
+++ b/Documentation/video4linux/v4l2-controls.txt
@@ -124,26 +124,27 @@ You add non-menu controls by calling v4l2_ctrl_new_std:
const struct v4l2_ctrl_ops *ops,
u32 id, s32 min, s32 max, u32 step, s32 def);
-Menu controls are added by calling v4l2_ctrl_new_std_menu:
+Menu and integer menu controls are added by calling v4l2_ctrl_new_std_menu:
struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl,
const struct v4l2_ctrl_ops *ops,
u32 id, s32 max, s32 skip_mask, s32 def);
-Or alternatively for integer menu controls, by calling v4l2_ctrl_new_int_menu:
+Menu controls with a driver specific menu are added by calling
+v4l2_ctrl_new_std_menu_items:
+
+ 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 skip_mask, s32 def, const char * const *qmenu);
+
+Integer menu controls with a driver specific menu can be added by calling
+v4l2_ctrl_new_int_menu:
struct v4l2_ctrl *v4l2_ctrl_new_int_menu(struct v4l2_ctrl_handler *hdl,
const struct v4l2_ctrl_ops *ops,
u32 id, s32 max, s32 def, const s64 *qmenu_int);
-Standard menu controls with a driver specific menu are added by calling
-v4l2_ctrl_new_std_menu_items:
-
- 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 skip_mask, s32 def, const char * const *qmenu);
-
These functions are typically called right after the v4l2_ctrl_handler_init:
static const s64 exp_bias_qmenu[] = {