pulse/space length detection

Hi,

I just ran into trouble with lirc on a new charge of mainboards I got. 
Everything works fine, until the system goes to suspend to ram-mode. When it 
comes back and I reload the lirc_serial module, I still get data, which I can 
see with mode2. But the pulse- and space-length are not recognized correctly 
anymore. Some are too long and some too short. This makes the succesfull 
decoding impossible.
Now I'm thinking about what could be the reason for it (we have several of 
these Mainboards, one charge earlier, but with the same bios, that work 
pefectly after suspend).
Therefore I need to know how the length-detection works. Is it just like this:
Everytime an interrupt on the data-pin occurs a counter is started, which is 
incremented by every system-clock-event, when the next interrupt occurs the 
value of the counter is checked and translated into a us timevalue.
Is that correct?

If it is I could imagine two reasons for the problem: Either the interrupt is 
not driven correctly after suspend or the system-clock does not work properly 
after suspend.

Maybe someone else has some further thoughts on this topic?

Cheers,
Julian


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