[ATrpms-users] lirc not working with kernel 2.6.22 and Leadtek Winfast 2000XP

[Axel Thimm]

On Tue, Nov 06, 2007 at 09:37:55AM -0500, Jeffrey J. Kosowsky wrote:
> Before kernel 2.6.22, I was successfully using lirc 0.8.2 and the
> lirc_gpio kernel module to run lirc using my Leadtek Winfast 2000XP
> Deluxe ir controller and remote.
> 
> Apparently, some change in kernel 2.6.22 broke the lirc_gpio kernel
> module. Specifically, when I try to load it, I get the error message:
> 
> FATAL: Error inserting lirc_gpio
> (/lib/modules/2.6.22.9-61.fc6/updates/drivers/lirc/lirc_gpio.ko):
> Operation not permitted 
> 
> So, then I tried to use the newer method using the /proc/bus/input
> drivers.
> 
> Specifically, I now start lircd using:
> 	 lircd -H dev/input -d name="bttv IR (card=34)"
> 
> So far, everything seems to work in that I get the following syslog
> messages: 
>      lircd-0.8.3-CVS[17684]: lircd(userspace) ready
> (note: I upgraded to lirc-0.8.3 too)
> 
> However, none of the clients I run seem to work now. For example, when
> I run 'irw', I get no response.
> 
> Note that according to the syslog, things seem to be working fine
> since I get the following messages when starting a lirc client
> 	  lircd-0.8.3-CVS[17684]: accepted new client on/dev/lircd
> 	  lircd-0.8.3-CVS[17684]: initializing'name=bttv IR (card=34)'
> 
> and when closing the client:
> 	  lircd-0.8.3-CVS[17684]: removed client
> 	  lircd-0.8.3-CVS[17684]: closing '/dev/input/event3'
> 
> 
> I also tried running irrecord as follows:
>   irrecord -H dev/input -d name="bttv IR (card=34)" myfile
> 
> However, I get the following error message:
> 	irrecord: gap not found, can't continue
> 	irrecord: closing '/dev/input/event3'
> 
> - Any ideas on what is going wrong and how to fix it?

Yes, you actually gave a good description of the issue: lirc_gpio is
broken on >= 2.6.22. And while the lirc community is aware of this
issue noone has stepped up to get this fixed.

> - Am I doing something wrong with the /dev/input method?
> - Is the Winfast 2000XP controller compatible with this method? (I saw
>   one old reference mentioning that this controller might not work
>   with the /dev/input method)
> - If /dev/input won't work, is there any way to get the old lirc_gpio
>   method to work? (short of regressing to a pre 2.6.22 kernel)

You could build a system on RHEL5. It will not come with any such
surprises in the next 3-4 years and then you can look at RHEL6 or RHEL7 :)
(replace RHEL with CentOS or SL for a simple multimedia
license/support free system)
-- 
Axel.Thimm at ATrpms.net
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