Searched refs:sk2 (Results 1 – 1 of 1) sorted by relevance
123 s32 sk, sk1, sk2; in dsp_dtmf_goertzel_decode() local159 sk2 = (*hfccoeff++) >> 4; in dsp_dtmf_goertzel_decode()161 if (sk > 32767 || sk < -32767 || sk2 > 32767 in dsp_dtmf_goertzel_decode()162 || sk2 < -32767) in dsp_dtmf_goertzel_decode()168 (((cos2pik[k] * sk) >> 15) * sk2) + in dsp_dtmf_goertzel_decode()169 (sk2 * sk2); in dsp_dtmf_goertzel_decode()187 sk2 = 0; in dsp_dtmf_goertzel_decode()191 sk = ((cos2pik_ * sk1) >> 15) - sk2 + (*buf++); in dsp_dtmf_goertzel_decode()192 sk2 = sk1; in dsp_dtmf_goertzel_decode()196 sk2 >>= 8; in dsp_dtmf_goertzel_decode()[all …]