diff options
Diffstat (limited to 'drivers/media/video/v4l2-common.c')
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index a523af78bdb1..0c511839f7ee 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -637,13 +637,17 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); /* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and - the menu. The qctrl pointer may be NULL, in which case it is ignored. */ + the menu. The qctrl pointer may be NULL, in which case it is ignored. + If menu_items is NULL, then the menu items are retrieved using + v4l2_ctrl_get_menu. */ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl, const char **menu_items) { int i; qmenu->reserved = 0; + if (menu_items == NULL) + menu_items = v4l2_ctrl_get_menu(qmenu->id); if (menu_items == NULL || (qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum))) return -EINVAL; |