diff options
Diffstat (limited to 'linux/include/media')
| -rw-r--r-- | linux/include/media/v4l2-common.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/linux/include/media/v4l2-common.h b/linux/include/media/v4l2-common.h index f1d7a063a..98976fd3b 100644 --- a/linux/include/media/v4l2-common.h +++ b/linux/include/media/v4l2-common.h @@ -90,6 +90,19 @@ extern void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg); /* ------------------------------------------------------------------------- */ +/* Control helper functions */ + +int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, + const char **menu_items); +const char **v4l2_ctrl_get_menu(u32 id); +int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def); +int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl); +int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, + struct v4l2_queryctrl *qctrl, const char **menu_items); +u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id); + +/* ------------------------------------------------------------------------- */ + /* Internal ioctls */ /* VIDIOC_INT_G_REGISTER and VIDIOC_INT_S_REGISTER */ |