Re: CIR chipset Winbond WPC876xL

[Léo <leo...@ya...>]

Hi Juan,

I confirmed that my chip is the right one:

palmieri@palm-lap:~$ hal-device | grep WEC
50: udi = '/org/freedesktop/Hal/devices/pnp_WEC1020'
  info.product = 'PnP Device (WEC1020)'  (string)
  info.udi = '/org/freedesktop/Hal/devices/pnp_WEC1020'  (string)
  pnp.id = 'WEC1020'  (string)

I rmmoded and deleted my old drivers, purged .deb lirc package, checked all deletions manually, CVSed lirc again, compiled and manually inserted modules.

I don't know exactlly how to insert lirc modules, so I did:

modprobe lirc_dev io=0x3f8 irq=4

I used this parameters because .deb lirc package configured automatically like that.

Module lirc_wpc8769l depends on lirc_dev, as stated in

modinfo lirc_wpc8769l

filename:       /lib/modules/2.6.24-23-generic/misc/lirc_wpc8769l.ko
version:        0.0
description:    Driver for the integrated Winbond WPC8769L-based IR receiver found in Acer laptops.
author:         Juan J. Garcia de Soria
license:        GPL
srcversion:     AE565FCE0A8891B848A5F46
depends:        lirc_dev
vermagic:       2.6.24-23-generic SMP mod_unload
parm:           debug:Enable debugging messages (bool)
parm:           baseport1:First I/O range base address (default: ACPI autodetect). (uint)
parm:           baseport2:Second I/O range base address (default: ACPI autodetect). (uint)
parm:           irq:IRQ number (default: ACPI autodetect). (uint)
parm:           skip_probe:Skip ACPI-based device detection (default: false for ACPI autodetect). (bool)

So I modprobed lirc_wpc... and found same problem:

[ 1322.784608] lirc_wpc8769l: Unknown symbol lirc_unregister_driver
[ 1322.784810] lirc_wpc8769l: Unknown symbol lirc_register_driver

I tried to pass some lirc_wpc8769l param, but unsucessfully...

Am I doing something wrong in insertion of modules?

I checked source of lirc_dev and I think that symbols 
lirc_unregister_driver lirc_register_driver do exist, but I don't know so much of module writing...

Interestingly, when I insert lirc_sir, dmesg output is

[ 1429.306082] lirc_dev: lirc_register_plugin: sample_rate: 0

So, lirc_dev is using *_plugin instead *_driver?

Is there some conflict?

Thanks!

--- Em dom, 18/1/09, Juan Jesús García de Soria Lucena <ska...@gm...> escreveu:

> De: Juan Jesús García de Soria Lucena <ska...@gm...>
> Assunto: Re: CIR chipset Winbond WPC876xL
> Para: leo...@ya...
> Cc: lir...@li...
> Data: Domingo, 18 de Janeiro de 2009, 7:50
> Hi, Léo.
> 
> 2009/1/17 Léo <leo...@ya...>:
> > I read subsequent e-mails about my issue and I
> disassembled my BIOS' ACPI DSDT table. For my surprise,
> there is no reference for the chip in there, but a reference
> for some CIR hardware (see attach.). I tried to physically
> disassemble my Acer 5920, but is very hard and I
> couldn't see the chip. So, I don't know if it is a
> WPC876xL really. I guessed it from
> http://ubuntu-virginia.ubuntuforums.org/showthread.php?p=6426246.
> 
> Nice! I think your receiver may be the same one. The DSL
> code seems to
> define the riht I/O resources.
> 
> You could confirm it with this test:
> 
> ---- start test ----
> skandalfo@rimmer:~/install/dsdt$ hal-device | grep WEC
> 66: udi =
> '/org/freedesktop/Hal/devices/pnp_WEC1020'
>   info.product = 'PnP Device (WEC1020)'  (string)
>   info.udi =
> '/org/freedesktop/Hal/devices/pnp_WEC1020'  (string)
>   pnp.id = 'WEC1020'  (string)
> ---- end test ----
> 
> The important thing is the device code (WEC1020).
> 
> > I just downloaded the code for the chip in the CVS rep
> and compiled it under 2.6.24-23 for x86_64. Config and
> complie worked fine but lircd service is not configured with
> right module  (it is inserting lirc_sir instead
> lirc_wpc8769l). Not a big problem.
> 
> [...]
> 
> > Dmesg output for this was
> >
> > [  857.595833] lirc_wpc8769l: Unknown symbol
> lirc_unregister_driver
> > [  857.596047] lirc_wpc8769l: Unknown symbol
> lirc_register_driver
> 
> lirc_wpc8769l, as well as lirc_sir, I think, both depend on
> a common
> lirc module called lirc_dev. Recently lirc_dev was changed
> in CVS so
> that the functions *_plugin were renamed to *_driver, and
> that's the
> cause of your problems. You have some lirc_dev leftover
> module from a
> previous installation, and it's the one that was loaded
> into memory
> when you inserted lirc_wpc8769l.
> 
> Please remove all previously existing lirc modules from
> /lib/modules/<kernel_version>/ and make sure no one
> remains loaded
> (either rmmod'ing them or rebooting). Afterwards
> recompile and
> reinstall the CVS lirc and test again. It should load the
> module and
> print more cheerful messages in dmesg :-)
> 
> Best regards,
> 
>    JJ.
> 
> -- 
> Dream small if success is enough for you; dream big if you
> need to
> change the world.


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