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-rw-r--r--usr.sbin/gpioctl/gpioctl.810
1 files changed, 6 insertions, 4 deletions
diff --git a/usr.sbin/gpioctl/gpioctl.8 b/usr.sbin/gpioctl/gpioctl.8
index ab936a4..c1abb5e 100644
--- a/usr.sbin/gpioctl/gpioctl.8
+++ b/usr.sbin/gpioctl/gpioctl.8
@@ -36,20 +36,20 @@
.Sh SYNOPSIS
.Nm
.Cm -l
-.Fl f Ar ctldev
+.Op Fl f Ar ctldev
.Op Fl v
.Nm
.Cm -t
-.Fl f Ar ctldev
+.Op Fl f Ar ctldev
.Ar pin
.Nm
.Cm -c
-.Fl f Ar ctldev
+.Op Fl f Ar ctldev
.Ar pin
.Ar flag
.Op flag ...
.Nm
-.Cm -f Ar ctldev
+.Op Cm -f Ar ctldev
.Ar pin
.Ar [0|1]
.Sh DESCRIPTION
@@ -83,6 +83,8 @@ Inverted output pin
.El
.It Fl f Ar ctldev
GPIO controller device to use
+If not specified, defaults to
+.Pa /dev/gpioc0
.It Fl l
list available pins
.It Fl t Ar pin
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