[asterisk-dev] phone_read and phone_write not working on subchannels

[Alok Prasad]

I am trying to make a channel driver for my custom hardware..I am trying to
copy the logic of
chan_unistim.c
chan_phone.c
I am using logic of 3 subchannels in each asterisk channel..problem is FD is
already allocated to one of the channel and when i make other channel active
polling of phone_read and phone_write are not done by
asterisk.
Is it that i need a separate FD for each channel ?
i also came across a function swap_subs what the use
of the function in relation to this..
Thanks
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