svolume: add ARM optimized volume scaling

src/pulsecore/cpu-arm.c

@@ -0,0 +1,43 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+  Copyright 2009 Wim Taymans <wim.taymans@collabora.co.uk> 
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2.1 of the License,
+  or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdint.h>
+
+#include <pulsecore/log.h>
+
+#include "cpu-arm.h"
+
+static pa_cpu_arm_flag_t pa_cpu_arm_flags;
+
+void pa_cpu_init_arm (void) {
+#if defined (__arm__)
+    pa_cpu_arm_flags = 0;
+   
+    pa_log ("ARM init\n");
+
+    pa_volume_func_init_arm (pa_cpu_arm_flags);
+#endif /* defined (__arm__) */
+}