diff options
| -rw-r--r-- | drivers/dahdi/wctdm24xxp/base.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/dahdi/wctdm24xxp/base.c b/drivers/dahdi/wctdm24xxp/base.c index 6c7fd27..da48cfe 100644 --- a/drivers/dahdi/wctdm24xxp/base.c +++ b/drivers/dahdi/wctdm24xxp/base.c @@ -1622,7 +1622,7 @@ static int wctdm_voicedaa_insane(struct wctdm *wc, int card) static int wctdm_proslic_insane(struct wctdm *wc, int card) { - int blah,insane_report; + int blah, reg1, insane_report; insane_report=0; blah = wctdm_getreg(wc, card, 0); @@ -1639,6 +1639,15 @@ static int wctdm_proslic_insane(struct wctdm *wc, int card) /* SLIC not loaded */ return -1; } + + /* let's be really sure this is an FXS before we continue */ + reg1 = wctdm_getreg(wc, card, 1); + if ((0x80 != (blah & 0xf0)) || (0x88 != reg1)) { + if (debug & DEBUG_CARD) + printk("DEBUG: not FXS b/c reg0=%x or reg1 != 0x88 (%x).\n", blah, reg1); + return -1; + } + if ((blah & 0xf) < 2) { printk(KERN_INFO "ProSLIC 3210 version %d is too old\n", blah & 0xf); return -1; |