removed "deprecated" from the define COMEDI_CB_BLOCK and added

a comment so that other know that this flag has to be set whenever
fresh data has arrived from an A/D or has been written to a D/A.

diff --git a/include/linux/comedi.h b/include/linux/comedi.h
index 0c6948eeaa6d19aa1e3b8f7b2f859b6080fe0694..4c2824b6f061dcf97b85cbb5da9039b83853c292 100644 (file)
--- a/include/linux/comedi.h
+++ b/include/linux/comedi.h
@@ -467,7 +467,7 @@ extern "C" {
 
 #define COMEDI_CB_EOS          1       /* end of scan */
 #define COMEDI_CB_EOA          2       /* end of acquisition */
-#define COMEDI_CB_BLOCK                4       /* DEPRECATED: convenient block size */
+#define COMEDI_CB_BLOCK                4       /* new data has arrived: wakes up write()/read() */
 #define COMEDI_CB_EOBUF                8       /* DEPRECATED: end of buffer */
 #define COMEDI_CB_ERROR                16      /* card error during acquisition */
 #define COMEDI_CB_OVERFLOW     32      /* buffer overflow/underflow */