[linux-dvb] Re: "New" frontend chip

[Holger Waechtler <holger@convergence.de>]

Michael Hunold wrote:
> Yes, sure. The problem is, that 2.4.0 != 2.4.20. In the meantime, there 
> have been numerous improvements and additions, that are currently in 
> use. Some things that come to my mind:
>
> - heavy pci interface changes (used for capturing in video-buf.c, around 
> 2.4.13 IIRC)
> - memory management changes (used for capturing in video-buf.c)
> - support for tasklets (used for deferring work from the irq handler)
> - kernel thread stuff
> - Video4Linux driver register interface changes (2.4.19)
>
> You need to backport most of this stuff to get the full-featured cards 
> running. Surely it's possible, but I don't have time for this. 8-(
Basically we had support down to at least 2.4.6 for a while, I don't see 
why this should be possible anymore. It's probably just a matter that 
everything what does not gets tested with older kernels on a regular 
basis will get incompatible with ongoing development.

Please report problems on a regular basis if you need support for older 
2.4.xx kernels. We'll be happy to help where possible.

Holger



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