Make threshold easier to find and more tolerant

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@386 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 3 insertions, 2 deletions

diff --git a/wcfxs.c b/wcfxs.c
index 4d29228..6178ae1 100755
--- a/wcfxs.c
+++ b/wcfxs.c
@@ -133,6 +133,7 @@ static alpha  indirect_regs[] =
 
 #define RING_DEBOUNCE	64		/* Ringer Debounce (in ms) */
 #define BATT_DEBOUNCE	8		/* Battery debounce (in ms) */
+#define BATT_THRESH	3		/* Anything under this is "no battery" */
 
 #define OHT_TIMER		6000	/* How long after RING to retain OHT */
 
@@ -1226,7 +1227,7 @@ static inline void wcfxs_voicedaa_check_hook(struct wcfxs *wc, int card)
 		}
 	}
 #endif	
-	if (abs(b) < 2) {
+	if (abs(b) < BATT_THRESH) {
 		wc->mod.fxo.nobatttimer[card]++;
 #if 0
 		if (wc->mod.fxo.battery[card])
@@ -1251,7 +1252,7 @@ static inline void wcfxs_voicedaa_check_hook(struct wcfxs *wc, int card)
 			wc->mod.fxo.battdebounce[card] = BATT_DEBOUNCE;
 		} else if (!wc->mod.fxo.battery[card])
 			wc->mod.fxo.battdebounce[card] = BATT_DEBOUNCE;
-	} else if (abs(b) > 1) {
+	} else if (abs(b) > BATT_THRESH) {
 		if (!wc->mod.fxo.battery[card] && !wc->mod.fxo.battdebounce[card]) {
 			if (debug)
 				printk("BATTERY!\n");