diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ctrls.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 0bcef2b52cb1..207bcd8dee11 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -1650,6 +1650,36 @@ struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl, } EXPORT_SYMBOL(v4l2_ctrl_new_std_menu); +/* Helper function for standard menu controls with driver defined menu */ +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) +{ + enum v4l2_ctrl_type type; + const char *name; + u32 flags; + s32 step; + s32 min; + + /* v4l2_ctrl_new_std_menu_items() should only be called for + * standard controls without a standard menu. + */ + if (v4l2_ctrl_get_menu(id)) { + handler_set_err(hdl, -EINVAL); + return NULL; + } + + v4l2_ctrl_fill(id, &name, &type, &min, &max, &step, &def, &flags); + if (type != V4L2_CTRL_TYPE_MENU || qmenu == NULL) { + handler_set_err(hdl, -EINVAL); + return NULL; + } + return v4l2_ctrl_new(hdl, ops, id, name, type, 0, max, mask, def, + flags, qmenu, NULL, NULL); + +} +EXPORT_SYMBOL(v4l2_ctrl_new_std_menu_items); + /* Helper function for standard integer menu controls */ struct v4l2_ctrl *v4l2_ctrl_new_int_menu(struct v4l2_ctrl_handler *hdl, const struct v4l2_ctrl_ops *ops, |