biquad2_state      26 drivers/isdn/mISDN/dsp_biquad.h static inline void biquad2_init(struct biquad2_state *bq,
biquad2_state      39 drivers/isdn/mISDN/dsp_biquad.h static inline int16_t biquad2(struct biquad2_state *bq, int16_t sample)
biquad2_state      19 drivers/isdn/mISDN/dsp_ecdis.h 	struct biquad2_state notch;