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/netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/drivers/isdn/mISDN/
H A Ddsp_dtmf.c127 int lowgroup, highgroup; local
236 /* calc digit (lowgroup/highgroup) */
238 highgroup = -1;
246 highgroup = -1;
260 if (highgroup >= 0) {
262 highgroup = -1;
265 highgroup = i-(NCOEFF/2);
271 if (lowgroup >= 0 && highgroup >= 0)
272 what = dtmf_matrix[lowgroup][highgroup];

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