Lines Matching refs:async

169 			if (s->async) {

171 				kfree(s->async);

461 	struct comedi_cmd *cmd = &s->async->cmd;

470 	struct comedi_async *async = s->async;

471 	struct comedi_cmd *cmd = &async->cmd;

476 		if (async->scans_done < cmd->stop_arg)

477 			scans_left = cmd->stop_arg - async->scans_done;

491  * async buffer.

493  * If the async command has a stop_src of %TRIG_COUNT, the @nscans will be

522 	struct comedi_async *async = s->async;

523 	struct comedi_cmd *cmd = &async->cmd;

535 		comedi_bytes_to_samples(s, async->scan_progress);

556 	struct comedi_async *async = s->async;

557 	struct comedi_cmd *cmd = &async->cmd;

562 		async->cur_chan += comedi_bytes_to_samples(s, num_bytes);

563 		async->cur_chan %= cmd->chanlist_len;

566 	async->scan_progress += num_bytes;

567 	if (async->scan_progress >= scan_length) {

568 		unsigned int nscans = async->scan_progress / scan_length;

570 		if (async->scans_done < (UINT_MAX - nscans))

571 			async->scans_done += nscans;

573 			async->scans_done = UINT_MAX;

575 		async->scan_progress %= scan_length;

576 		async->events |= COMEDI_CB_EOS;

600 	unsigned int events = s->async->events;

655 	struct comedi_async *async;

662 			 "async subdevices must support SDF_CMD_READ or SDF_CMD_WRITE\n");

667 			 "async subdevices must have a do_cmdtest() function\n");

672 			 "async subdevices should have a cancel() function\n");

674 	async = kzalloc(sizeof(*async), GFP_KERNEL);

675 	if (!async)

678 	init_waitqueue_head(&async->wait_head);

679 	s->async = async;

681 	async->max_bufsize = comedi_default_buf_maxsize_kb * 1024;

683 	if (buf_size > async->max_bufsize)

684 		buf_size = async->max_bufsize;