Lines Matching refs:ret
36 int ret;
63 ret = -EINVAL;
70 ret = PTR_ERR(map->menu_info);
80 ret = -ENOTTY;
84 ret = uvc_ctrl_add_mapping(chain, map);
90 return ret;
160 int ret = 0;
245 ret = uvc_probe_video(stream, probe);
247 if (ret < 0)
295 return ret;
303 int ret = 0;
313 ret = -EINVAL;
329 return ret;
338 int ret;
343 ret = uvc_v4l2_try_format(stream, fmt, &probe, &format, &frame);
344 if (ret < 0)
345 return ret;
350 ret = -EBUSY;
360 return ret;
407 int ret;
458 ret = uvc_probe_video(stream, &probe);
459 if (ret < 0) {
461 return ret;
549 int ret = 0;
554 ret = usb_autopm_get_interface(stream->dev->intf);
555 if (ret < 0)
556 return ret;
567 ret = uvc_status_start(stream->dev, GFP_KERNEL);
568 if (ret < 0) {
572 return ret;
698 int ret;
700 ret = uvc_acquire_privileges(handle);
701 if (ret < 0)
702 return ret;
712 int ret;
714 ret = uvc_acquire_privileges(handle);
715 if (ret < 0)
716 return ret;
746 int ret;
748 ret = uvc_acquire_privileges(handle);
749 if (ret < 0)
750 return ret;
753 ret = uvc_request_buffers(&stream->queue, rb);
755 if (ret < 0)
756 return ret;
758 if (ret == 0)
817 int ret;
819 ret = uvc_acquire_privileges(handle);
820 if (ret < 0)
821 return ret;
831 int ret;
837 ret = uvc_queue_streamon(&stream->queue, type);
840 return ret;
907 int ret;
919 ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, chain->selector->id,
922 if (!ret)
927 return ret;
935 int ret;
937 ret = uvc_acquire_privileges(handle);
938 if (ret < 0)
939 return ret;
956 ret = uvc_query_ctrl(chain->dev, UVC_SET_CUR, chain->selector->id,
961 return ret;
979 int ret;
981 ret = uvc_query_v4l2_ctrl(chain, &qc);
982 if (ret)
983 return ret;
1008 int ret;
1013 ret = uvc_ctrl_begin(chain);
1014 if (ret < 0)
1015 return ret;
1017 ret = uvc_ctrl_get(chain, &xctrl);
1019 if (ret < 0)
1020 return ret;
1032 int ret;
1038 ret = uvc_ctrl_begin(chain);
1039 if (ret < 0)
1040 return ret;
1042 ret = uvc_ctrl_set(handle, &xctrl);
1043 if (ret < 0) {
1045 return ret;
1048 ret = uvc_ctrl_commit(handle, &xctrl, 1);
1049 if (ret < 0)
1050 return ret;
1063 int ret;
1069 ret = uvc_query_v4l2_ctrl(chain, &qc);
1070 if (ret < 0) {
1072 return ret;
1081 ret = uvc_ctrl_begin(chain);
1082 if (ret < 0)
1083 return ret;
1086 ret = uvc_ctrl_get(chain, ctrl);
1087 if (ret < 0) {
1090 return ret;
1106 int ret;
1112 ret = uvc_ctrl_begin(chain);
1113 if (ret < 0)
1114 return ret;
1117 ret = uvc_ctrl_set(handle, ctrl);
1118 if (ret < 0) {
1121 return ret;
1206 int ret;
1208 ret = uvc_acquire_privileges(handle);
1209 if (ret < 0)
1210 return ret;
1442 long ret;
1446 ret = uvc_v4l2_get_xu_mapping(&karg.xmap, up);
1447 if (ret)
1448 return ret;
1449 ret = uvc_ioctl_ctrl_map(handle->chain, &karg.xmap);
1450 if (ret)
1451 return ret;
1452 ret = uvc_v4l2_put_xu_mapping(&karg.xmap, up);
1453 if (ret)
1454 return ret;
1459 ret = uvc_v4l2_get_xu_query(&karg.xqry, up);
1460 if (ret)
1461 return ret;
1462 ret = uvc_xu_ctrl_query(handle->chain, &karg.xqry);
1463 if (ret)
1464 return ret;
1465 ret = uvc_v4l2_put_xu_query(&karg.xqry, up);
1466 if (ret)
1467 return ret;
1474 return ret;