+List all devices found on the system. This actively scans for devices that
+can be detected automatically.
+.sp
+Example:
+.sp
+ $
+.B "sigrok\-cli \-D
+.br
+ The following devices were found:
+.br
+ Demo device with 8 probes: 0 1 2 3 4 5 6 7
+.br
+ ChronoVu LA8 with 8 probes: 0 1 2 3 4 5 6 7
+.br
+ ALSA: HDA ATI SB ALC270 Analog with 2 probes: Ch_0 Ch_1
+.br
+ Saleae Logic with 8 probes: 0 1 2 3 4 5 6 7
+.sp
+However, not all devices are auto-detectable (e.g. serial port based ones).
+For those you'll have to provide a \fBconn\fP option, see above.
+.sp
+ $
+.B "sigrok\-cli \-\-driver digitek-dt4000zc:conn=/dev/ttyUSB0 \-D
+.br
+ The following devices were found:
+.br
+ Digitek DT4000ZC with 1 probe: P1