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

[Cougar]

On Wed, 9 Mar 2005, Tino Keitel wrote:

> 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.

Here is how it is detected in my T42:

module nsc_ircc unsupported by SUSE/Novell, tainting kernel.
nsc-ircc, Found chip at base=0x02e
nsc-ircc, driver loaded (Dag Brattli)
IrDA: Registered device irda0
nsc-ircc, Using dongle: IBM31T1100 or Temic TFDS6000/TFDS6500

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Cougar @ wiki.version6.net/T42