Lines Matching refs:control
267 CDBG_ERROR("%s: cannot open control fd of '%s' (%s)\n",
1597 * @id : control id
1607 struct v4l2_control control;
1609 memset(&control, 0, sizeof(control));
1610 control.id = id;
1612 control.value = *value;
1614 rc = ioctl(fd, VIDIOC_S_CTRL, &control);
1619 *value = control.value;
1631 * @id : control id
1641 struct v4l2_control control;
1643 memset(&control, 0, sizeof(control));
1644 control.id = id;
1646 control.value = *value;
1648 rc = ioctl(fd, VIDIOC_G_CTRL, &control);
1651 *value = control.value;