[asterisk-dev] Zaptel Transcoder issues (and possible conflict with PRI cards)

[Kevin P. Fleming]

Tzafrir Cohen wrote:
> Slightly off-topic: I'mtrying tofigure out how to detect a
> zttranscode card inthe system. modprobe zttranscode looks like something
> that will always work, as it does not interact with the hardware.
> 
> So Igather I need something like:
> 
>   modprobe zttranscode
>   head -c 0 /dev/zap/transcode
> 
> That is: load the module and try to open /dev/zap/transcode

Asterisk is not involved here. On the surface it does appear that trying
to read from the transcode device will tell you whether there is a
device present or not, but I suspect we will solve this problem by not
creating the transcode device until an actual transcoder device has
registered itself.