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Staging: echo: remove dead code

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This patch removes dead code that is wrapped in #ifndef __KERNEL__.

Cc: David Rowe <david@rowetel.com>
Cc: Steve Underwood <steveu@coppice.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Pekka Enberg 2008-10-17 20:55:32 +03:00 committed by Greg Kroah-Hartman
parent db2af149bd
commit f07639adeb
1 changed files with 0 additions and 45 deletions
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45
drivers/staging/echo/fir.h
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@ -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