Trivial changes to avoid compiler warnings.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5975 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 9 insertions, 3 deletions

diff --git a/apps/codecs/liba52/a52_internal.h b/apps/codecs/liba52/a52_internal.h
index a158227699..32b1160903 100644
--- a/apps/codecs/liba52/a52_internal.h
+++ b/apps/codecs/liba52/a52_internal.h
@@ -155,6 +155,6 @@ typedef int16_t quantizer_t;
 
 #define MUL_C(a,b) MUL_L (a, LEVEL (b))
 #define DIV(a,b) ((((int64_t)LEVEL (a)) << 26) / (b))
-#define BIAS(x) (x)
+#define BIAS(x) ((x) + (bias*0))
 
 #endif
diff --git a/apps/codecs/liba52/downmix.c b/apps/codecs/liba52/downmix.c
index 5660951486..89b6da2ae0 100644
--- a/apps/codecs/liba52/downmix.c
+++ b/apps/codecs/liba52/downmix.c
@@ -480,6 +480,9 @@ static void zero (sample_t * samples)
 void a52_downmix (sample_t * samples, int acmod, int output, sample_t bias,
                   level_t clev, level_t slev)
 {
+    /* avoid compiler warning */
+    (void)clev;
+
     switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
 
     case CONVERT (A52_CHANNEL, A52_CHANNEL2):
diff --git a/apps/codecs/liba52/imdct.c b/apps/codecs/liba52/imdct.c
index 4d5a6ca223..cbede95be6 100644
--- a/apps/codecs/liba52/imdct.c
+++ b/apps/codecs/liba52/imdct.c
@@ -345,6 +345,7 @@ void a52_imdct_256 (sample_t * data, sample_t * delay, sample_t bias)
     }
 }
 
+/*
 static double besselI0 (double x)
 {
     double bessel = 1;
@@ -355,11 +356,13 @@ static double besselI0 (double x)
     while (--i);
     return bessel;
 }
+*/
 
 void a52_imdct_init (uint32_t mm_accel)
 {
-    int i, k;
-/*    double sum;
+  (void)mm_accel;
+/*    int i, k;
+    double sum;
     double local_imdct_window[256];*/
 
     /* compute imdct window - kaiser-bessel derived window, alpha = 5.0 */