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Searched refs:cos2pik (Results 1 – 2 of 2) sorted by relevance

/linux-2.6.39/drivers/isdn/mISDN/
Ddsp_dtmf.c22 static u64 cos2pik[NCOEFF] = variable
168 (((cos2pik[k] * sk) >> 15) * sk2) + in dsp_dtmf_goertzel_decode()
189 cos2pik_ = cos2pik[k]; in dsp_dtmf_goertzel_decode()
202 (((cos2pik[k] * sk) >> 15) * sk2) + in dsp_dtmf_goertzel_decode()
/linux-2.6.39/drivers/isdn/i4l/
Disdn_audio.c183 static int cos2pik[NCOEFF] = variable
469 sk = sample[n] + ((cos2pik[k] * sk1) >> 15) - sk2; in isdn_audio_goertzel()
487 ((((cos2pik[k] * sk) >> 15) * sk2) >> AMP_BITS) + in isdn_audio_goertzel()