From b11fd9c5abe065642f79b90ab93f6ea98213b51d Mon Sep 17 00:00:00 2001
From: jhb <jhb@FreeBSD.org>
Date: Fri, 6 Feb 2009 15:09:31 +0000
Subject: [PATCH] Note that the slave address passed to smb(4) commands must be
 left-justified (LSB is 0).  The iic(4) manpage probably needs similar
 language to describe the format it expects.

---
 share/man/man4/smb.4 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/share/man/man4/smb.4 b/share/man/man4/smb.4
index 3aa93ad99183..620b1023e76f 100644
--- a/share/man/man4/smb.4
+++ b/share/man/man4/smb.4
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 25, 1998
+.Dd February 6, 2009
 .Dt SMB 4
 .Os
 .Sh NAME
@@ -72,6 +72,9 @@ The
 .Fa slave
 field is always used, and provides the address of the
 SMBus slave device to talk to.
+The slave address is specified in the seven most significant bits
+.Pq i.e. Dq "left-justified" .
+The least significant bit of the slave address must be zero.
 .Pp
 .Bl -column ".Dv SMB_QUICK_WRITE" -compact
 .It Em Ioctl Ta Em Description