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[media] v4l: ctrls: Move control lock/unlock above the control access functions

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The v4l2_ctrl_{,un}lock will be needed elsewhere. Define them before the
functions that perform operations on controls.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Sakari Ailus 2014-06-12 13:09:39 -03:00 committed by Mauro Carvalho Chehab
parent c9adcb73b2
commit 605b38403b
1 changed files with 18 additions and 18 deletions
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36
include/media/v4l2-ctrls.h
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@ -367,6 +367,24 @@ int v4l2_ctrl_handler_init_class(struct v4l2_ctrl_handler *hdl,
*/
void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl);
/** v4l2_ctrl_lock() - Helper function to lock the handler
* associated with the control.
* @ctrl: The control to lock.
*/
static inline void v4l2_ctrl_lock(struct v4l2_ctrl *ctrl)
{
mutex_lock(ctrl->handler->lock);
}
/** v4l2_ctrl_unlock() - Helper function to unlock the handler
* associated with the control.
* @ctrl: The control to unlock.
*/
static inline void v4l2_ctrl_unlock(struct v4l2_ctrl *ctrl)
{
mutex_unlock(ctrl->handler->lock);
}
/** v4l2_ctrl_handler_setup() - Call the s_ctrl op for all controls belonging
* to the handler to initialize the hardware to the current control values.
* @hdl: The control handler.
@ -622,24 +640,6 @@ void v4l2_ctrl_grab(struct v4l2_ctrl *ctrl, bool grabbed);
int v4l2_ctrl_modify_range(struct v4l2_ctrl *ctrl,
s64 min, s64 max, u64 step, s64 def);
/** v4l2_ctrl_lock() - Helper function to lock the handler
* associated with the control.
* @ctrl: The control to lock.
*/
static inline void v4l2_ctrl_lock(struct v4l2_ctrl *ctrl)
{
mutex_lock(ctrl->handler->lock);
}
/** v4l2_ctrl_unlock() - Helper function to unlock the handler
* associated with the control.
* @ctrl: The control to unlock.
*/
static inline void v4l2_ctrl_unlock(struct v4l2_ctrl *ctrl)
{
mutex_unlock(ctrl->handler->lock);
}
/** v4l2_ctrl_notify() - Function to set a notify callback for a control.
* @ctrl: The control.
* @notify: The callback function.