Lines Matching refs:control
270 CDBG_ERROR("%s: cannot open control fd of '%s' (%s)\n",
1717 * @id : control id
1727 struct v4l2_control control;
1729 memset(&control, 0, sizeof(control));
1730 control.id = id;
1732 control.value = *value;
1734 rc = ioctl(fd, VIDIOC_S_CTRL, &control);
1739 *value = control.value;
1751 * @id : control id
1761 struct v4l2_control control;
1763 memset(&control, 0, sizeof(control));
1764 control.id = id;
1766 control.value = *value;
1768 rc = ioctl(fd, VIDIOC_G_CTRL, &control);
1771 *value = control.value;