Added ability to switch the native codec of the TDM card to ALAW

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@514 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 13 insertions, 3 deletions

diff --git a/wctdm.c b/wctdm.c
index 7b74437..b67888e 100755
--- a/wctdm.c
+++ b/wctdm.c
@@ -357,6 +357,7 @@ static int boostringer = 0;
 static int _opermode = 0;
 static char *opermode = "FCC";
 static int fxshonormode = 0;
+static int alawoverride = 0;
 
 static int wctdm_init_proslic(struct wctdm *wc, int card, int fast , int manual, int sane);
 
@@ -1345,7 +1346,10 @@ static int wctdm_init_voicedaa(struct wctdm *wc, int card, int fast, int manual,
 	wait_just_a_bit(HZ/10);
 
 	/* Enable PCM, ulaw */
-	wctdm_setreg(wc, card, 33, 0x28);
+	if (alawoverride)
+		wctdm_setreg(wc, card, 33, 0x20);
+	else
+		wctdm_setreg(wc, card, 33, 0x28);
 
 	/* Set On-hook speed, Ringer impedence, and ringer threshold */
 	reg16 |= (fxo_modes[_opermode].ohs << 6);
@@ -1527,7 +1531,10 @@ static int wctdm_init_proslic(struct wctdm *wc, int card, int fast, int manual,
 	}
 #endif
 
-    wctdm_setreg(wc, card, 1, 0x28);
+    if (alawoverride)
+    	wctdm_setreg(wc, card, 1, 0x20);
+    else
+    	wctdm_setreg(wc, card, 1, 0x28);
  	// U-Law 8-bit interface
     wctdm_setreg(wc, card, 2, (3-card) * 8);    // Tx Start count low byte  0
     wctdm_setreg(wc, card, 3, 0);    // Tx Start count high byte 0
@@ -1752,7 +1759,10 @@ static int wctdm_initialize(struct wctdm *wc)
 	/* Zapata stuff */
 	sprintf(wc->span.name, "WCTDM/%d", wc->pos);
 	sprintf(wc->span.desc, "%s Board %d", wc->variety, wc->pos + 1);
-	wc->span.deflaw = ZT_LAW_MULAW;
+	if (alawoverride)
+		wc->span.deflaw = ZT_LAW_ALAW;
+	else
+		wc->span.deflaw = ZT_LAW_MULAW;
 	for (x=0;x<wc->cards;x++) {
 		sprintf(wc->chans[x].name, "WCTDM/%d/%d", wc->pos, x);
 		wc->chans[x].sigcap = ZT_SIG_FXOKS | ZT_SIG_FXOLS | ZT_SIG_FXOGS | ZT_SIG_SF | ZT_SIG_EM;