Patch by Rafaël Carré - Sansa AMS i2c :

* remove peripheral reset (already made in system_init).
  * Move empty i2c_init() from i2c-as3525.c (and remove that file)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20645 a1c6a512-1295-4272-9138-f99709370657

firmware/SOURCES

@@ -366,7 +366,6 @@ target/arm/adc-as3514.c
 target/arm/as3525/audio-as3525.c
 target/arm/as3525/debug-as3525.c
 target/arm/as3525/fmradio-i2c-as3525.c
-target/arm/as3525/i2c-as3525.c
 target/arm/as3525/i2s-as3525.c
 target/arm/as3525/pcm-as3525.c
 #endif /* BOOTLOADER */

firmware/target/arm/as3525/ascodec-as3525.c

@@ -41,6 +41,7 @@
 #include "clock-target.h"
 #include "kernel.h"
 #include "as3525.h"
+#include "i2c.h"
 
 #define I2C2_DATA       *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x00))
 #define I2C2_SLAD0      *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x04))
@@ -57,14 +58,13 @@
 
 static struct mutex as_mtx SHAREDBSS_ATTR;
 
+void i2c_init(void)
+{
+}
+
 /* initialises the internal i2c bus and prepares for transfers to the codec */
 void ascodec_init(void)
 {
-    /* reset device */
-    CCU_SRC = CCU_SRC_I2C_AUDIO_EN;
-    CCU_SRL = CCU_SRL_MAGIC_NUMBER;
-    CCU_SRL = 0;
-    
     /* enable clock */
     CGU_PERI |= CGU_I2C_AUDIO_MASTER_CLOCK_ENABLE;
 

firmware/target/arm/as3525/i2c-as3525.c

@@ -1,28 +0,0 @@
-/***************************************************************************
- *             __________               __   ___.
- *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
- *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
- *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
- *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
- *                     \/            \/     \/    \/            \/
- * $Id$
- *
- * Copyright © 2008 Rafaël Carré
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-
-#include "i2c.h"
-
-/* TODO */
-
-void i2c_init(void)
-{
-}