Make sure to clear red alarm after polarity reversal.

From the issue:
The automatic overnight line tests (or manual ones) used on UK (BT) lines causes
a red alarm on a dahdi / TDM400P connected channel. This is because the line
uses voltage tests (battery loss) and polarity reversal. The polarity reversal
causes chan_dahdi to initiate v23 CallerID processing but during this the event
DAHDI_EVENT_NOALARM is ignored so that the alarm is never cleared.

(closes issue #14163)
Reported by: jedi98
Patches: 
      chan_dahdi-1.4-inalarm.diff uploaded by jedi98 (license 653)
Tested by: mattbrown, Chainsaw, mikeeccleston


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@250480 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.4
Jeff Peeler 15 years ago
parent 8dbeb5925d
commit 3896fecd58

@ -6653,6 +6653,9 @@ static void *ss_thread(void *data)
if (i & DAHDI_IOMUX_SIGEVENT) {
res = dahdi_get_event(p->subs[index].dfd);
ast_log(LOG_NOTICE, "Got event %d (%s)...\n", res, event2str(res));
if (res == DAHDI_EVENT_NOALARM) {
p->inalarm = 0;
}
if (p->cid_signalling == CID_SIG_V23_JP) {
#ifdef DAHDI_EVENT_RINGBEGIN
@ -6756,6 +6759,9 @@ static void *ss_thread(void *data)
if (i & DAHDI_IOMUX_SIGEVENT) {
res = dahdi_get_event(p->subs[index].dfd);
ast_log(LOG_NOTICE, "Got event %d (%s)...\n", res, event2str(res));
if (res == DAHDI_EVENT_NOALARM) {
p->inalarm = 0;
}
res = 0;
/* Let us detect distinctive ring */
@ -6861,6 +6867,9 @@ static void *ss_thread(void *data)
if (i & DAHDI_IOMUX_SIGEVENT) {
res = dahdi_get_event(p->subs[index].dfd);
ast_log(LOG_NOTICE, "Got event %d (%s)...\n", res, event2str(res));
if (res == DAHDI_EVENT_NOALARM) {
p->inalarm = 0;
}
/* If we get a PR event, they hung up while processing calerid */
if ( res == DAHDI_EVENT_POLARITY && p->hanguponpolarityswitch && p->polarity == POLARITY_REV) {
ast_log(LOG_DEBUG, "Hanging up due to polarity reversal on channel %d while detecting callerid\n", p->channel);
@ -6932,6 +6941,9 @@ static void *ss_thread(void *data)
if (i & DAHDI_IOMUX_SIGEVENT) {
res = dahdi_get_event(p->subs[index].dfd);
ast_log(LOG_NOTICE, "Got event %d (%s)...\n", res, event2str(res));
if (res == DAHDI_EVENT_NOALARM) {
p->inalarm = 0;
}
res = 0;
/* Let us detect callerid when the telco uses distinctive ring */

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