551 					struct zr364xx_pipeinfo *pipe_info,  in zr364xx_read_video_callback()  argument
565 		u16 *buf = (u16 *)pipe_info->transfer_buffer;  in zr364xx_read_video_callback()
577 	psrc = (u8 *)pipe_info->transfer_buffer;  in zr364xx_read_video_callback()
629 	if (purb->actual_length < pipe_info->transfer_size) {  in zr364xx_read_video_callback()
950 	struct zr364xx_pipeinfo *pipe_info;  in read_pipe_completion()  local
954 	pipe_info = purb->context;  in read_pipe_completion()
956 	if (!pipe_info) {  in read_pipe_completion()
961 	cam = pipe_info->cam;  in read_pipe_completion()
970 		pipe_info->err_count++;  in read_pipe_completion()
974 	if (pipe_info->state == 0) {  in read_pipe_completion()
979 	if (purb->actual_length > pipe_info->transfer_size) {  in read_pipe_completion()
985 		zr364xx_read_video_callback(cam, pipe_info, purb);  in read_pipe_completion()
987 		pipe_info->err_count++;  in read_pipe_completion()
994 	usb_fill_bulk_urb(pipe_info->stream_urb, cam->udev,  in read_pipe_completion()
996 			  pipe_info->transfer_buffer,  in read_pipe_completion()
997 			  pipe_info->transfer_size,  in read_pipe_completion()
998 			  read_pipe_completion, pipe_info);  in read_pipe_completion()
1000 	if (pipe_info->state != 0) {  in read_pipe_completion()
1001 		purb->status = usb_submit_urb(pipe_info->stream_urb,  in read_pipe_completion()
1016 	struct zr364xx_pipeinfo *pipe_info = cam->pipe;  in zr364xx_start_readpipe()  local
1020 	pipe_info->state = 1;  in zr364xx_start_readpipe()
1021 	pipe_info->err_count = 0;  in zr364xx_start_readpipe()
1022 	pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL);  in zr364xx_start_readpipe()
1023 	if (!pipe_info->stream_urb)  in zr364xx_start_readpipe()
1026 	usb_fill_bulk_urb(pipe_info->stream_urb, cam->udev,  in zr364xx_start_readpipe()
1028 			  pipe_info->transfer_buffer,  in zr364xx_start_readpipe()
1029 			  pipe_info->transfer_size,  in zr364xx_start_readpipe()
1030 			  read_pipe_completion, pipe_info);  in zr364xx_start_readpipe()
1032 	DBG("submitting URB %p\n", pipe_info->stream_urb);  in zr364xx_start_readpipe()
1033 	retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL);  in zr364xx_start_readpipe()
1035 		usb_free_urb(pipe_info->stream_urb);  in zr364xx_start_readpipe()
1045 	struct zr364xx_pipeinfo *pipe_info;  in zr364xx_stop_readpipe()  local
1052 	pipe_info = cam->pipe;  in zr364xx_stop_readpipe()
1053 	if (pipe_info) {  in zr364xx_stop_readpipe()
1054 		if (pipe_info->state != 0)  in zr364xx_stop_readpipe()
1055 			pipe_info->state = 0;  in zr364xx_stop_readpipe()
1057 		if (pipe_info->stream_urb) {  in zr364xx_stop_readpipe()
1059 			usb_kill_urb(pipe_info->stream_urb);  in zr364xx_stop_readpipe()
1060 			usb_free_urb(pipe_info->stream_urb);  in zr364xx_stop_readpipe()
1061 			pipe_info->stream_urb = NULL;  in zr364xx_stop_readpipe()