Lines Matching defs:dtmf
52 * example: 0x20204 one HFC-4S with dtmf detection and 128 timeslots on PCM
1791 * read dtmf coefficients
1802 int dtmf = 0;
1809 printk(KERN_DEBUG "%s: dtmf detection irq\n", __func__);
1820 printk(KERN_DEBUG "%s: dtmf channel %d:",
1823 dtmf = 1;
1891 hc->dtmf = dtmf;
1892 if (dtmf)
3467 if (ch->protocol == ISDN_P_B_RAW && !hc->dtmf
3470 hc->dtmf = 1;
3473 "%s: start dtmf decoder\n",