[ltp] Re: T42: irda not working after resuming from suspend to RAM

[Tino Keitel]

On Wed, Mar 09, 2005 at 10:56:18 +0200, Paul Ionescu wrote:
> On Tue, 08 Mar 2005 10:25:53 +0100, Tino Keitel wrote:
> 
> > On Mon, Mar 07, 2005 at 08:05:53 -0300, Arne Werner wrote:
> >> On Mon, 2005-03-07 at 12:36 +0800, David de Hoog wrote:
> >> 
> >> > I'm not convinced that my TP supports the FIR driver, because
> >> > all my attempts to load the nsc_ircc module have met with
> >> > failure. I have seen writings elsewhere indicating that (at
> >> > least for the X series TPs) a kernel patch is required for the
> >> > 2.6.11 tree in order to use the nsc_ircc module. Additionally, I
> >> > have no idea whether my phone supports FIR, but it works nicely
> >> > with SIR.
> >> 
> >> I am not sure, but I think that all Thinkpads use the same IRDA
> >> chipset. And there are reports that the nsc-ircc works for some
> >> T42 (e.g. http://wiki.version6.net/T42). Did you unset the
> >> serialport before loading the nsc-ircc module (setserial
> >> /dev/ttyS1 uart none port 0 irq 0)? This is necessary to release
> >> any serial driver from the IRDA.
> > 
> > One more fact: the hardware dectection of the nsc-ircc driver in
> > 2.6 kernels seems to be broken, at least for my A30 and T23. The
> > driver will load, but it won't see any IR devices. Loading the
> > driver with modprobe nsc-ircc dongle_id=0x9 will do the trick.
> > 
> > Regards,
> > Tino
> 
> I have tried with: modprobe nsc-ircc dongle_id=0x9 FATAL: Error
> inserting nsc_ircc
> (/lib/modules/2.6.9sw2.1/kernel/drivers/net/irda/nsc-ircc.ko): No
> such device
> 
> and in dmesg I got:
> 
> Mar  9 10:55:12 t41 kernel: nsc-ircc, Found chip at base=0x02e
> Mar  9 10:55:12 t41 kernel: nsc-ircc, Wrong chip version ff
> 
> any hints ?

I read somewhere that this test for the "chip version" is bogus in many
cases and should be removed from the source if it causes problems.

Regards,
Tino