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authorHans Verkuil <hans.verkuil@cisco.com>2014-11-23 09:39:53 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-11-25 08:22:25 -0200
commit4ed0d6a9cf80a4a1f74e18d36a2ee5ef391a8f27 (patch)
tree9831b8d446ee3ef524e9f3d4936d8d79284d1052
parentd9bfbcc0c2bc15b9ce79e71a0b3d7e69a714d621 (diff)
[media] v4l2-common: remove unused helper functions
Several control helper functions are no longer needed since most drivers are now converted to the control framework. So we can delete them. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/v4l2-core/v4l2-common.c95
-rw-r--r--include/media/v4l2-common.h10
2 files changed, 0 insertions, 105 deletions
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index 2e9d81f4c1a5..849320932657 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -135,101 +135,6 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 _min, s32 _max, s32 _
}
EXPORT_SYMBOL(v4l2_ctrl_query_fill);
-/* 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.
- 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 * const *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;
- for (i = 0; i < qmenu->index && menu_items[i]; i++) ;
- if (menu_items[i] == NULL || menu_items[i][0] == '\0')
- return -EINVAL;
- strlcpy(qmenu->name, menu_items[qmenu->index], sizeof(qmenu->name));
- return 0;
-}
-EXPORT_SYMBOL(v4l2_ctrl_query_menu);
-
-/* Fill in a struct v4l2_querymenu based on the specified array of valid
- menu items (terminated by V4L2_CTRL_MENU_IDS_END).
- Use this if there are 'holes' in the list of valid menu items. */
-int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids)
-{
- const char * const *menu_items = v4l2_ctrl_get_menu(qmenu->id);
-
- qmenu->reserved = 0;
- if (menu_items == NULL || ids == NULL)
- return -EINVAL;
- while (*ids != V4L2_CTRL_MENU_IDS_END) {
- if (*ids++ == qmenu->index) {
- strlcpy(qmenu->name, menu_items[qmenu->index],
- sizeof(qmenu->name));
- return 0;
- }
- }
- return -EINVAL;
-}
-EXPORT_SYMBOL(v4l2_ctrl_query_menu_valid_items);
-
-/* ctrl_classes points to an array of u32 pointers, the last element is
- a NULL pointer. Each u32 array is a 0-terminated array of control IDs.
- Each array must be sorted low to high and belong to the same control
- class. The array of u32 pointers must also be sorted, from low class IDs
- to high class IDs.
-
- This function returns the first ID that follows after the given ID.
- When no more controls are available 0 is returned. */
-u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
-{
- u32 ctrl_class = V4L2_CTRL_ID2CLASS(id);
- const u32 *pctrl;
-
- if (ctrl_classes == NULL)
- return 0;
-
- /* if no query is desired, then check if the ID is part of ctrl_classes */
- if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0) {
- /* find class */
- while (*ctrl_classes && V4L2_CTRL_ID2CLASS(**ctrl_classes) != ctrl_class)
- ctrl_classes++;
- if (*ctrl_classes == NULL)
- return 0;
- pctrl = *ctrl_classes;
- /* find control ID */
- while (*pctrl && *pctrl != id) pctrl++;
- return *pctrl ? id : 0;
- }
- id &= V4L2_CTRL_ID_MASK;
- id++; /* select next control */
- /* find first class that matches (or is greater than) the class of
- the ID */
- while (*ctrl_classes && V4L2_CTRL_ID2CLASS(**ctrl_classes) < ctrl_class)
- ctrl_classes++;
- /* no more classes */
- if (*ctrl_classes == NULL)
- return 0;
- pctrl = *ctrl_classes;
- /* find first ctrl within the class that is >= ID */
- while (*pctrl && *pctrl < id) pctrl++;
- if (*pctrl)
- return *pctrl;
- /* we are at the end of the controls of the current class. */
- /* continue with next class if available */
- ctrl_classes++;
- if (*ctrl_classes == NULL)
- return 0;
- return **ctrl_classes;
-}
-EXPORT_SYMBOL(v4l2_ctrl_next);
-
/* I2C Helper functions */
#if IS_ENABLED(CONFIG_I2C)
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 48f974866f13..6b4951de7592 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -88,16 +88,6 @@ const char *v4l2_ctrl_get_name(u32 id);
const char * const *v4l2_ctrl_get_menu(u32 id);
const s64 *v4l2_ctrl_get_int_menu(u32 id, u32 *len);
int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def);
-int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu,
- struct v4l2_queryctrl *qctrl, const char * const *menu_items);
-#define V4L2_CTRL_MENU_IDS_END (0xffffffff)
-int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids);
-
-/* Note: ctrl_classes points to an array of u32 pointers. Each u32 array is a
- 0-terminated array of control IDs. Each array must be sorted low to high
- and belong to the same control class. The array of u32 pointers must also
- be sorted, from low class IDs to high class IDs. */
-u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id);
/* ------------------------------------------------------------------------- */