/* only relevant to kernel modules. */
#define COMEDI_CB_EOS 1 /* end of scan */
-#define COMEDI_CB_EOA 2 /* end of acquisition */
+#define COMEDI_CB_EOA 2 /* end of acquisition/output */
#define COMEDI_CB_BLOCK 4 /* data has arrived:
* wakes up read() / write() */
#define COMEDI_CB_EOBUF 8 /* DEPRECATED: end of buffer */