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authorHans Verkuil <hans.verkuil@cisco.com>2014-11-23 15:39:54 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-11-25 13:24:10 +0300
commit79fbc209f11b82d8cad37e20da71851fdceecfbd (patch)
tree09a9dfa3164aa795cbfbc5ba42ffa79d53560afc /include/media/v4l2-ctrls.h
parent4ed0d6a9cf80a4a1f74e18d36a2ee5ef391a8f27 (diff)
downloadlinux-79fbc209f11b82d8cad37e20da71851fdceecfbd.tar.xz
[media] v4l2-ctrl: move function prototypes from common.h to ctrls.h
For some unknown reason several control prototypes where in v4l2-common.c instead of in v4l2-ctrls.h. Move them and document them. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/media/v4l2-ctrls.h')
-rw-r--r--include/media/v4l2-ctrls.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index b7cd7a665e35..911f3e542834 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -670,6 +670,31 @@ static inline int v4l2_ctrl_modify_range(struct v4l2_ctrl *ctrl,
*/
void v4l2_ctrl_notify(struct v4l2_ctrl *ctrl, v4l2_ctrl_notify_fnc notify, void *priv);
+/** v4l2_ctrl_get_name() - Get the name of the control
+ * @id: The control ID.
+ *
+ * This function returns the name of the given control ID or NULL if it isn't
+ * a known control.
+ */
+const char *v4l2_ctrl_get_name(u32 id);
+
+/** v4l2_ctrl_get_menu() - Get the menu string array of the control
+ * @id: The control ID.
+ *
+ * This function returns the NULL-terminated menu string array name of the
+ * given control ID or NULL if it isn't a known menu control.
+ */
+const char * const *v4l2_ctrl_get_menu(u32 id);
+
+/** v4l2_ctrl_get_int_menu() - Get the integer menu array of the control
+ * @id: The control ID.
+ * @len: The size of the integer array.
+ *
+ * This function returns the integer array of the given control ID or NULL if it
+ * if it isn't a known integer menu control.
+ */
+const s64 *v4l2_ctrl_get_int_menu(u32 id, u32 *len);
+
/** v4l2_ctrl_g_ctrl() - Helper function to get the control's value from within a driver.
* @ctrl: The control.
*