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authorSylwester Nawrocki <s.nawrocki@samsung.com>2013-07-09 00:24:40 -0400
committerMauro Carvalho Chehab <m.chehab@samsung.com>2013-08-18 06:12:59 -0400
commitd1e9b7c12b745af715101578a677e4a6b16c09e4 (patch)
tree6ccfe5745fc9bdc28c14fbab746f973608b39f8d /Documentation/video4linux/v4l2-controls.txt
parentdebe6267b718526ee9715501b8f52a0295e3712a (diff)
[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/v4l2-controls.txt')
-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:
124 const struct v4l2_ctrl_ops *ops, 124 const struct v4l2_ctrl_ops *ops,
125 u32 id, s32 min, s32 max, u32 step, s32 def); 125 u32 id, s32 min, s32 max, u32 step, s32 def);
126 126
127Menu controls are added by calling v4l2_ctrl_new_std_menu: 127Menu and integer menu controls are added by calling v4l2_ctrl_new_std_menu:
128 128
129 struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl, 129 struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl,
130 const struct v4l2_ctrl_ops *ops, 130 const struct v4l2_ctrl_ops *ops,
131 u32 id, s32 max, s32 skip_mask, s32 def); 131 u32 id, s32 max, s32 skip_mask, s32 def);
132 132
133Or alternatively for integer menu controls, by calling v4l2_ctrl_new_int_menu: 133Menu controls with a driver specific menu are added by calling
134v4l2_ctrl_new_std_menu_items:
135
136 struct v4l2_ctrl *v4l2_ctrl_new_std_menu_items(
137 struct v4l2_ctrl_handler *hdl,
138 const struct v4l2_ctrl_ops *ops, u32 id, s32 max,
139 s32 skip_mask, s32 def, const char * const *qmenu);
140
141Integer menu controls with a driver specific menu can be added by calling
142v4l2_ctrl_new_int_menu:
134 143
135 struct v4l2_ctrl *v4l2_ctrl_new_int_menu(struct v4l2_ctrl_handler *hdl, 144 struct v4l2_ctrl *v4l2_ctrl_new_int_menu(struct v4l2_ctrl_handler *hdl,
136 const struct v4l2_ctrl_ops *ops, 145 const struct v4l2_ctrl_ops *ops,
137 u32 id, s32 max, s32 def, const s64 *qmenu_int); 146 u32 id, s32 max, s32 def, const s64 *qmenu_int);
138 147
139Standard menu controls with a driver specific menu are added by calling
140v4l2_ctrl_new_std_menu_items:
141
142 struct v4l2_ctrl *v4l2_ctrl_new_std_menu_items(
143 struct v4l2_ctrl_handler *hdl,
144 const struct v4l2_ctrl_ops *ops, u32 id, s32 max,
145 s32 skip_mask, s32 def, const char * const *qmenu);
146
147These functions are typically called right after the v4l2_ctrl_handler_init: 148These functions are typically called right after the v4l2_ctrl_handler_init:
148 149
149 static const s64 exp_bias_qmenu[] = { 150 static const s64 exp_bias_qmenu[] = {