[ltp] irda on T23 with Debian

Marius Gedminas linux-thinkpad@linux-thinkpad.org
Mon, 31 Mar 2003 13:29:50 +0300

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On Mon, Mar 31, 2003 at 09:15:47AM +0200, Vincent Poirriez wrote:
> I'm trying to use the irda port of my T23 under debian with kernel 2.4.18

Been there, done that, synchronized with my Palm and Siemens S35i

> One point is that I don't find which chip is used and findchip -v doesn't
> return anything
> So if some one knows how to configure, I'll appreciate any help

There's a bug in older BIOS versions where the infrared option in the
BIOS setup becomes stuck in 'OS controlled' state and it is not possible
to enable it.  I flashed my BIOS to a newer version (1.15) which,
incidentally seemed to help with some USB problems.

The first thing you need to do (if your BIOS is OK) is to enable the
infrared port there.  I set it to 2F8, IRQ 3, DMA 0.  Then Linux will
detect it on boot as /dev/ttyS1 (check /var/log/dmesg).

You need to have irda-common installed (you do).  My /etc/irda.conf
looks like this:

  DISCOVERY=3D      # this was -s by default, I think removing it saves bat=

I used coldsync and obexftp to talk with my Palm m500, gsm-utils to talk
to my Siemens S35i.  I didn't try running pppd on it yet.

Marius Gedminas
Everything you read in newspapers is absolutely true, except for that
rare story of which you happen to have first-hand knowledge.
                -- Erwin Knoll

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