Re: [irda-users] Re: smc chip from latitude c640 problems

[Pawel K. <pk...@li...>]

On Mon, 12 Jan 2004, Jean Tourrilhes wrote:

> Pawel Kot wrote :
> >
> > Now the driver loads, but not always. Somtimes I need to try several
> > times to get in loaded (there are problems with iobase for SIR).
>
> 	I had report of weirdness there, but I don't understand
> why. The latest 2.6.X kernel has a trivial fix. Also, as usual, make
> sure the serial driver is out of the way (see my web page).

I did disable serial port, but the serial driver is compiled into the
kernel (to support other serial port -- ttyS0). Anyway that's how I used
irda in Dell Latitude c610.

> > Some of syslog messages:
> > Jan 11 01:44:29 laptok kernel:  Overriding FIR address 0x0290
> > Jan 11 01:44:29 laptok kernel:  Overriding SIR address 0x03f8
> > Jan 11 01:44:29 laptok kernel: SMsC IrDA Controller found
> > Jan 11 01:44:29 laptok kernel: smsc-ircc2, Overriding IRQ - chip says 4, using  3
> > Jan 11 01:44:29 laptok kernel: No transceiver found. Defaulting to Fast pin  select
>
> 	Why do you need to override all settings ? And are you 100%
> sure of them ? Also, you may want to use module parameters to
> configure the fir type.

I took the settings from Windows. Is there any other way to find out what
the settings are? I'll try to not overwrite IRQ though.

> > smsc_ircc_net_open
> > smsc_ircc_change_speed() changing speed to: 9600
> > smsc_ircc_set_sir_speed(), Setting speed to: 9600
> > irlap_change_speed(), setting speed to 9600
> > smsc_ircc_hard_xmit_sir()
> >
> > And nothing's going further.
>
> 	I would interrupt issue. Check that irqs are delivered to the
> driver.

And how do I do that?

> > And no idea why this is sir not fir.
>
> 	9600bps is SIR.

But FIR is enabled in BIOS. And no irport/irtty is used. Should it try
sir?

thanks,
pkot
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