forward_polarity 1046 src/ftmod/ftmod_analog/ftmod_analog.c ftdm_polarity_t forward_polarity = FTDM_POLARITY_FORWARD; forward_polarity 1047 src/ftmod/ftmod_analog/ftmod_analog.c ftdm_channel_command(event->channel, FTDM_COMMAND_SET_POLARITY, &forward_polarity);