Lines Matching full:control

13 …C_S_EXT_CTRLS - VIDIOC_TRY_EXT_CTRLS - Get or set the value of several controls, try control values
43 atomically. Control IDs are grouped into control classes (see
44 :ref:`ctrl-class`) and all controls in the control array must belong
45 to the same control class.
60 If the ``size`` is too small to receive the control result (only
79 control values are valid.
93 :c:type:`v4l2_ext_control`. If the new control value
95 control), then this will also result in an ``EINVAL`` error code error.
116 The driver will only set/get these controls if all control values are
134       - Identifies the control, set by the application.
137       - The total size in bytes of the payload of this control. This is
159       - New value or current value. Valid if this control is not of type
164       - New value or current value. Valid if this control is of type
169       - A pointer to a string. Valid if this control is of type
173       - A pointer to a matrix control of unsigned 8-bit values. Valid if
174 	this control is of type ``V4L2_CTRL_TYPE_U8``.
177       - A pointer to a matrix control of unsigned 16-bit values. Valid if
178 	this control is of type ``V4L2_CTRL_TYPE_U16``.
181       - A pointer to a matrix control of unsigned 32-bit values. Valid if
182 	this control is of type ``V4L2_CTRL_TYPE_U32``.
185       - A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
190 	and/or a compound type (the control's type is >=
192 	``V4L2_CTRL_FLAG_HAS_PAYLOAD`` is set for this control.
211       - The control class to which all controls belong, see
214 	the controls can belong to any control class. Whether drivers
220       - Which value of the control to get/set/try.
222 	control, ``V4L2_CTRL_WHICH_DEF_VAL`` will return the default
223 	value of the control and ``V4L2_CTRL_WHICH_REQUEST_VAL`` indicates that
232 	   get the default value of the control, you cannot set or try it.
234 	For backwards compatibility you can also use a control class here
236 	belong to that control class. This usage is deprecated, instead
239 	that require a control class here. You can test for such drivers
251 	with a particular control, then ``error_idx`` is set to the index
252 	of that control. If the error is not related to a specific
253 	control, or the validation step failed (see below), then
260 	control or read from a write-only control, and any other up-front
277 	control failed the validation. If the validation was successful
285 	``error_idx`` will just be set to the control that failed the
289 	actual control that failed the validation step. Unfortunately,
313 .. flat-table:: Control classes
321 	in :ref:`control`. All controls that can be set using the
380     more control values are in conflict.
387     The control is temporarily not changeable, possibly because another
388     applications took over control of the device function this control
394     The space reserved for the control's payload is insufficient. The
399     Attempt to try or set a read-only control, or to get a write-only
400     control, or to get a control from a request that has not yet been