[asterisk-bugs] [JIRA] Created: (DAHLIN-298) dahdi-linux 2.6.1 fails to detect ringing

[Jaco Kroon (JIRA)]

dahdi-linux 2.6.1 fails to detect ringing
-----------------------------------------

                 Key: DAHLIN-298
                 URL: https://issues.asterisk.org/jira/browse/DAHLIN-298
             Project: DAHDI-Linux
          Issue Type: Bug
      Security Level: None
          Components: wctdm24xxp
    Affects Versions: 2.6.1
         Environment: Linux, kernel 2.6.37
Asterisk 1.8.13.1 and 1.8.15.0
dahdi-tools 2.6.1
libpri 1.4.12
            Reporter: Jaco Kroon
            Assignee: Russ Meyerriecks
            Severity: Critical


wctdm24xxp module won't pick up incoming ringing since upgrading to dahdi-linux 2.6.1.

After discussion with sruffel on #asterisk and a bit of git bisecting the quilty commit is this one:

df509300791f1bb5b4b652c2adcfbcc016f789e7 is the first bad commit
commit df509300791f1bb5b4b652c2adcfbcc016f789e7
Author: Shaun Ruffell <sruffell at digium.com>
Date:   Tue Aug 30 16:38:32 2011 +0000

    wctdm24xxp: Use time interval for debouncing FXO ring detect.
    
    Do not assume the ring detection function is called for every frame.
    Also change the debounce logic to a state machine to clarify what state
    a port is in and unify the technique for debouncing the various signals.
    
    Signed-off-by: Shaun Ruffell <sruffell at digium.com>
    Acked-by: Russ Meyerriecks <rmeyerriecks at digium.com>
    
    git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10168 a0bf4364-ded3-4de4-8d8a-66a801d63aff

:040000 040000 b5f6e1244fae106d3d5537258c532fa1ce1e302e 759c00e4d73a9417e9afa0266b038e3fc01d8a27 Mdrivers

Module parameters:

opermode=SOUTHAFRICA boostringer=1 fastringer=1 latency=7

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