Staging: echo: remove dead code

}

/*- End of function --------------------------------------------------------*/

#ifndef __KERNEL__

static __inline__ const float *fir_float_create(fir_float_state_t *fir,

                                                const float *coeffs,

    	    	    	                        int taps)

{

    fir->taps = taps;

    fir->curr_pos = taps - 1;

    fir->coeffs = coeffs;

    fir->history = (float *) malloc(taps*sizeof(float));

    if (fir->history)

        memset(fir->history, '\0', taps*sizeof(float));

    return fir->history;

}

/*- End of function --------------------------------------------------------*/

static __inline__ void fir_float_free(fir_float_state_t *fir)

{

    free(fir->history);

}

/*- End of function --------------------------------------------------------*/

static __inline__ int16_t fir_float(fir_float_state_t *fir, int16_t sample)

{

    int i;

    float y;

    int offset1;

    int offset2;

    fir->history[fir->curr_pos] = sample;

    offset2 = fir->curr_pos;

    offset1 = fir->taps - offset2;

    y = 0;

    for (i = fir->taps - 1;  i >= offset1;  i--)

        y += fir->coeffs[i]*fir->history[i - offset1];

    for (  ;  i >= 0;  i--)

        y += fir->coeffs[i]*fir->history[i + offset2];

    if (fir->curr_pos <= 0)

    	fir->curr_pos = fir->taps;

    fir->curr_pos--;

    return  (int16_t) y;

}

/*- End of function --------------------------------------------------------*/

#endif

#ifdef __cplusplus

}

#endif