linux-kernel - [PATCH 2/4] echo: remove dead code

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Message-ID: <Pine.LNX.4.64.0810172055050.23852@melkki.cs.Helsinki.FI>
Date:	Fri, 17 Oct 2008 20:55:32 +0300 (EEST)
From:	Pekka J Enberg <penberg@...helsinki.fi>
To:	greg@...ah.com
cc:	david@...etel.com, steveu@...pice.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] echo: remove dead code

From: Pekka Enberg <penberg@...helsinki.fi>

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

Cc: David Rowe <david@...etel.com>
Cc: Steve Underwood <steveu@...pice.org>
Signed-off-by: Pekka Enberg <penberg@...helsinki.fi>
---
 drivers/staging/echo/fir.h |   45 --------------------------------------------
 1 files changed, 0 insertions(+), 45 deletions(-)

diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
index ef87491..42d900d 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
-- 
1.5.3.7

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