diff --git a/share/man/man4/ubt.4 b/share/man/man4/ubt.4 index c8a2e9e2ebef..3779db414c50 100644 --- a/share/man/man4/ubt.4 +++ b/share/man/man4/ubt.4 @@ -1,4 +1,4 @@ -.\" $NetBSD: ubt.4,v 1.2 2006/08/19 16:35:02 plunky Exp $ +.\" $NetBSD: ubt.4,v 1.3 2006/08/20 00:30:02 wiz Exp $ .\" .\" Copyright (c) 2006 Itronix Inc. .\" All rights reserved. @@ -29,7 +29,7 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.Dd Apr 20, 2005 +.Dd August 19, 2006 .Dt UBT 4 .Os .Sh NAME @@ -45,19 +45,22 @@ to the Bluetooth protocol stack. .Pp USB Bluetooth dongles provide two interfaces, both of which the .Nm -driver claims. The second interface is used for Isochronous data and will have -several alternate configurations regarding bandwidth consumption, which can be -set using the hw.ubtN.config -.Xr sysctl 8 -variable. The number of alternate configurations is indicated by the value +driver claims. +The second interface is used for Isochronous data and will have +several alternate configurations regarding bandwidth consumption, +which can be set using the hw.ubtN.config +.Xr sysctl 8 +variable. +The number of alternate configurations is indicated by the value in the hw.ubtN.alt_config variable, and the isoc frame size for the current -configuration is shown in the hw.ubtN.sco_rxsize, and hw.ubtN.sco_txsize +configuration is shown in the hw.ubtN.sco_rxsize and hw.ubtN.sco_txsize variables. .Pp By default, configuration 0 is selected, which means that no bandwidth -is used on the Isochronous interface and no SCO data can be sent. Consult -the Bluetooth USB specification at https://www.bluetooth.org/ for complete -instructions on setting bandwidth consumption. The following extract may be +is used on the Isochronous interface and no SCO data can be sent. +Consult the Bluetooth USB specification at https://www.bluetooth.org/ +for complete instructions on setting bandwidth consumption. +The following extract may be useful as a general guidance though details may differ between manufacturers. .Pp .Bl -tag -compact -width XXX @@ -66,7 +69,8 @@ No active voice channels .It 1 One voice channel with 8-bit encoding .It 2 -Two voice channels with 8-bit encoding, or One voice channel with 16-bit encoding. +Two voice channels with 8-bit encoding, or one voice channel with +16-bit encoding. .It 3 Three voice channels with 8-bit encoding .It 4 @@ -82,13 +86,13 @@ Three voice channels with 16-bit encoding This .Nm device driver was originally a character device written by -.An "David Sainty" +.An David Sainty and -.An "Lennart Augustsson" . +.An Lennart Augustsson . It was rewritten to support socket based Bluetooth access for .Nx 4.0 by -.An "Iain Hibbert" . +.An Iain Hibbert . .Sh BUGS The Isochronous configuration can only be changed when the device is not marked up.