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[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>
This commit is contained in:
Hans Verkuil 2014-11-23 09:39:54 -03:00 committed by Mauro Carvalho Chehab
parent 4ed0d6a9cf
commit 79fbc209f1
2 changed files with 25 additions and 3 deletions
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3
include/media/v4l2-common.h
View File

@ -84,9 +84,6 @@
int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
const char * const *menu_items);
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);
/* ------------------------------------------------------------------------- */

25
include/media/v4l2-ctrls.h
View File

@ -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.
*