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/linux-4.19.296/drivers/isdn/mISDN/
Ddsp_dtmf.c125 s32 *hfccoeff; in dsp_dtmf_goertzel_decode() local
157 hfccoeff = (s32 *)data; in dsp_dtmf_goertzel_decode()
159 sk2 = (*hfccoeff++) >> 4; in dsp_dtmf_goertzel_decode()
160 sk = (*hfccoeff++) >> 4; in dsp_dtmf_goertzel_decode()