919 	struct v4l2_ext_control xctrl;  in uvc_ioctl_g_ctrl()  local
922 	memset(&xctrl, 0, sizeof(xctrl));  in uvc_ioctl_g_ctrl()
923 	xctrl.id = ctrl->id;  in uvc_ioctl_g_ctrl()
929 	ret = uvc_ctrl_get(chain, &xctrl);  in uvc_ioctl_g_ctrl()
934 	ctrl->value = xctrl.value;  in uvc_ioctl_g_ctrl()
943 	struct v4l2_ext_control xctrl;  in uvc_ioctl_s_ctrl()  local
946 	memset(&xctrl, 0, sizeof(xctrl));  in uvc_ioctl_s_ctrl()
947 	xctrl.id = ctrl->id;  in uvc_ioctl_s_ctrl()
948 	xctrl.value = ctrl->value;  in uvc_ioctl_s_ctrl()
954 	ret = uvc_ctrl_set(chain, &xctrl);  in uvc_ioctl_s_ctrl()
960 	ret = uvc_ctrl_commit(handle, &xctrl, 1);  in uvc_ioctl_s_ctrl()
964 	ctrl->value = xctrl.value;  in uvc_ioctl_s_ctrl()