Merge pull request #503 from singalsu/src_use_32bit_coef_in_testbench

SRC: Use 32 bit filter coefficients in host testbench

Author: lgirdwood

configure.ac

@@ -137,6 +137,7 @@ case "$with_arch" in
 
 	ARCH="host"
 	AC_SUBST(ARCH)
+	AC_DEFINE([CONFIG_HOST], [1], [Configure for Host])
     ;;
     *)
 	if test "$have_rimage" = "no" && test "$have_doc" = "no" ; then

src/audio/src_config.h

@@ -66,7 +66,11 @@
 #endif
 #else
 /* GCC */
+#if defined(CONFIG_HOST)
+#define SRC_SHORT	0  /* Use high quality 32 bit filter coefficients */
+#else
 #define SRC_SHORT	1  /* Use 16 bit filter coefficients for speed */
+#endif
 #define SRC_GENERIC	1
 #define SRC_HIFIEP	0
 #define SRC_HIFI3	0