Lines Matching defs:dtmf
38 * example: 0x20204 one HFC-4S with dtmf detection and 128 timeslots on PCM
1821 * read dtmf coefficients
1832 int dtmf = 0;
1839 printk(KERN_DEBUG "%s: dtmf detection irq\n", __func__);
1850 printk(KERN_DEBUG "%s: dtmf channel %d:",
1853 dtmf = 1;
1921 hc->dtmf = dtmf;
1922 if (dtmf)
3499 if (ch->protocol == ISDN_P_B_RAW && !hc->dtmf
3502 hc->dtmf = 1;
3505 "%s: start dtmf decoder\n",