diff options
| author | Shaun Ruffell <sruffell@digium.com> | 2008-09-28 17:29:12 +0000 |
|---|---|---|
| committer | Shaun Ruffell <sruffell@digium.com> | 2008-09-28 17:29:12 +0000 |
| commit | 14bc121eb2db53ef28cee245e8e625022b4405d0 (patch) | |
| tree | ddf487c2bc3b7ce240c857ee1041feb12fe6c361 /drivers/dahdi/wctdm.c | |
| parent | 158a56746f6d4bbcdfe224b363f7788903a59b64 (diff) | |
Improve reliablity of UK caller ID for the TDM400P by not allowing the
ringdebounce to be decremented when it is at 0 already.
Related to issue #12531. Reported mattbrown, fix suggested by benbrown.
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@5007 a0bf4364-ded3-4de4-8d8a-66a801d63aff
Diffstat (limited to 'drivers/dahdi/wctdm.c')
| -rw-r--r-- | drivers/dahdi/wctdm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dahdi/wctdm.c b/drivers/dahdi/wctdm.c index 5d4b05c..1c1ea44 100644 --- a/drivers/dahdi/wctdm.c +++ b/drivers/dahdi/wctdm.c @@ -771,7 +771,8 @@ static inline void wctdm_voicedaa_check_hook(struct wctdm *wc, int card) if (!fxo->offhook) { if (fwringdetect) { res = wc->reg0shadow[card] & 0x60; - if (fxo->ringdebounce--) { + if (fxo->ringdebounce) { + --fxo->ringdebounce; if (res && (res != fxo->lastrdtx) && (fxo->battery == BATTERY_PRESENT)) { if (!fxo->wasringing) { |