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-rw-r--r--drivers/staging/echo/fir.h45
1 files changed, 0 insertions, 45 deletions
diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
index c29e1e245c6..19c20cde186 100644
--- a/drivers/staging/echo/fir.h
+++ b/drivers/staging/echo/fir.h
@@ -312,51 +312,6 @@ static __inline__ int16_t fir32(fir32_state_t *fir, int16_t sample)
}
/*- 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