update w/ chipset descriptions and config flags vs option; from Vladimir Popov <jumbo@narod.ru>

1 files changed, 10 insertions, 3 deletions

diff --git a/share/man/man4/sf2r.4 b/share/man/man4/sf2r.4
index 5bc8e101df1..1a92ec420d7 100644
--- a/share/man/man4/sf2r.4
+++ b/share/man/man4/sf2r.4
@@ -1,5 +1,5 @@
 .\"	$RuOBSD: sf2r.4,v 1.3 2001/10/26 05:38:44 form Exp $
-.\"	$OpenBSD: sf2r.4,v 1.3 2002/01/04 17:14:51 mickey Exp $
+.\"	$OpenBSD: sf2r.4,v 1.4 2002/01/07 18:37:45 mickey Exp $
 .\"
 .\" Copyright (c) 2001 Vladimir Popov
 .\" All rights reserved.
@@ -31,7 +31,7 @@
 .Nm sf2r
 .Nd SoundForte RadioLink SF16-FMR2 FM radio device driver
 .Sh SYNOPSIS
-.Cd "sf2r0   at isa? port 0x384"
+.Cd "sf2r0   at isa? port 0x384 flags 0x00"
 .Cd "radio* at sf2r0"
 .Sh DESCRIPTION
 The
@@ -43,9 +43,16 @@ The SF16-FMR2 is a stereo FM tuner that allows to tune in the range
 audio output to mono, perform hardware signal search, and has an internal
 AFC.
 .Pp
+The card is based on the TEA5757 chip, see
+.Xr radio 4
+for details.
+.Pp
 The SF16-FMR2 cards take only one I/O port.
 The I/O port is set by the driver to the value specified in the configuration
 file and must be 0x384.
+.Pp
+The flags control the driver behavior. For example, with flags 0x01 the driver
+will assume that there is a TEA5759 chip is used.
 .Sh BUGS
 MediaForte made two variants of the SF16-FMR2 cards, the first one has
 an internal amplifier of the output sound, the second one does not have
@@ -63,7 +70,7 @@ driver was written by
 and
 .An Maxim Tsyplakov Aq tm@oganer.net .
 The man page was written by
-.An Maxim Tsyplakov Aq tm@oganer.net .
+.An Vladimir Popov Aq jumbo@narod.ru .
 .Sh HISTORY
 The
 .Nm