diff options
| -rw-r--r-- | drivers/dahdi/wctdm24xxp/base.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/dahdi/wctdm24xxp/base.c b/drivers/dahdi/wctdm24xxp/base.c index 59c667f..bec01bb 100644 --- a/drivers/dahdi/wctdm24xxp/base.c +++ b/drivers/dahdi/wctdm24xxp/base.c @@ -218,6 +218,7 @@ static unsigned int battthresh; static int debug = 0; #ifdef DEBUG static int robust = 0; +static int digitalloopback; #endif static int lowpower = 0; static int boostringer = 0; @@ -2708,6 +2709,15 @@ static int wctdm_init_voicedaa(struct wctdm *wc, int card, int fast, int manual, wctdm_set_hwgain(wc, card, fxotxgain, 1); wctdm_set_hwgain(wc, card, fxorxgain, 0); +#ifdef DEBUG + if (digitalloopback) { + dev_info(&wc->vb.pdev->dev, + "Turning on digital loopback for port %d.\n", + card + 1); + wctdm_setreg(wc, card, 10, 0x01); + } +#endif + if (debug) dev_info(&wc->vb.pdev->dev, "DEBUG fxotxgain:%i.%i fxorxgain:%i.%i\n", (wctdm_getreg(wc, card, 38)/16) ? -(wctdm_getreg(wc, card, 38) - 16) : wctdm_getreg(wc, card, 38), (wctdm_getreg(wc, card, 40)/16) ? -(wctdm_getreg(wc, card, 40) - 16) : wctdm_getreg(wc, card, 40), (wctdm_getreg(wc, card, 39)/16) ? -(wctdm_getreg(wc, card, 39) - 16): wctdm_getreg(wc, card, 39), (wctdm_getreg(wc, card, 41)/16)?-(wctdm_getreg(wc, card, 41) - 16) : wctdm_getreg(wc, card, 41)); @@ -3890,9 +3900,13 @@ static void wctdm_fixup_analog_span(struct wctdm *wc, int spanno) y, s->chans[y]); } if (wc->modtype[x] == MOD_TYPE_FXO) { + int val; s->chans[y++]->sigcap = DAHDI_SIG_FXSKS | DAHDI_SIG_FXSLS | DAHDI_SIG_SF | DAHDI_SIG_CLEAR; - wctdm_setreg(wc, x, 33, - (should_set_alaw(wc) ? 0x20 : 0x28)); + val = should_set_alaw(wc) ? 0x20 : 0x28; +#ifdef DEBUG + val = (digitalloopback) ? 0x30 : val; +#endif + wctdm_setreg(wc, x, 33, val); } else if (wc->modtype[x] == MOD_TYPE_FXS) { s->chans[y++]->sigcap = DAHDI_SIG_FXOKS | DAHDI_SIG_FXOLS | DAHDI_SIG_FXOGS | DAHDI_SIG_SF | DAHDI_SIG_EM | DAHDI_SIG_CLEAR; wctdm_setreg(wc, x, 1, @@ -5316,6 +5330,9 @@ module_param(loopcurrent, int, 0600); module_param(reversepolarity, int, 0600); #ifdef DEBUG module_param(robust, int, 0600); +module_param(digitalloopback, int, 0400); +MODULE_PARM_DESC(digitalloopback, "Set to 1 to place FXO modules into " \ + "loopback mode for troubleshooting."); #endif module_param(opermode, charp, 0600); module_param(lowpower, int, 0600); |