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freetdm: re-enable hw dtmf on channel destroy if needed

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This commit is contained in:
Moises Silva 2010-06-24 19:48:55 -04:00
parent 5afb21b180
commit c31abb3ed0
1 changed files with 13 additions and 0 deletions
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13
libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c
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@ -1185,6 +1185,19 @@ static FIO_CHANNEL_DESTROY_FUNCTION(wanpipe_channel_destroy)
#endif
if (ftdmchan->sockfd != FTDM_INVALID_SOCKET) {
/* enable HW DTMF. As odd as it seems. Why enable when the channel is being destroyed and won't be used anymore?
* because that way we can transfer the DTMF state back to the driver, if we're being restarted we will set again
* the FEATURE_DTMF flag and use HW DTMF, if we don't enable here, then on module restart we won't see
* HW DTMF available and will use software */
if (ftdm_channel_test_feature(ftdmchan, FTDM_CHANNEL_FEATURE_DTMF_DETECT)) {
wanpipe_tdm_api_t tdm_api;
int err;
memset(&tdm_api, 0, sizeof(tdm_api));
err = sangoma_tdm_enable_dtmf_events(ftdmchan->sockfd, &tdm_api);
if (err) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Failed enabling Sangoma HW DTMF failed on channel destroy\n");
}
}
sangoma_close(&ftdmchan->sockfd);
}