supported protocol decoders in the sigrok wiki.
.TP
\fB\-d, \-\-driver\fP <drivername>
-A driver must always be selected (unless doing a global scan). Use the
+Unless doing a global scan, users typically select one of the available
+drivers. This can speedup program start, and can avoid false matches for
+ambiguous configurations. Selecting a driver also allows to pass more
+driver specific options. Use the
.BR "\-L " ( "\-\-list\-supported" ")"
option to get a list of available drivers.
.sp
.sp
.RB " $ " "sigrok\-cli \-\-driver=uni\-t\-ut61e:conn=4.6" " [...]"
.TP
+.B "\-D, \-\-dont\-scan"
+Do not automatically scan for device drivers in the absence of a
+.BR "\-d " ( "\-\-driver" )
+specification.
+.TP
.BR "\-c, \-\-config " <deviceoption>
A colon-separated list of device options, where each option takes the form
.BR key=value .