-static unsigned int comedi_write_array_to_buffer(struct comedi_subdevice *s,
- const void *data,
- unsigned int num_bytes)
-{
- struct comedi_async *async = s->async;
- unsigned int retval;
-
- if (num_bytes == 0)
- return 0;
-
- retval = comedi_buf_write_alloc(s, num_bytes);
- if (retval != num_bytes) {
- dev_warn(s->device->class_dev, "buffer overrun\n");
- async->events |= COMEDI_CB_OVERFLOW;
- return 0;
- }
-
- comedi_buf_memcpy_to(s, data, num_bytes);
- comedi_buf_write_free(s, num_bytes);
- comedi_inc_scan_progress(s, num_bytes);
- async->events |= COMEDI_CB_BLOCK;
-
- return num_bytes;
-}
-