Clipv1: move buttonlight functions to header

GPIO direction needs only to be set at init
both functions are now one liners so make them static inline

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26218 a1c6a512-1295-4272-9138-f99709370657

firmware/SOURCES

@@ -1274,7 +1274,6 @@ target/arm/as3525/sansa-clipv2/lcd-as-clipv2.S
 target/arm/as3525/lcd-ssd1303.c
 target/arm/as3525/sansa-clip/lcd-clip.c
 target/arm/as3525/sansa-clip/button-clip.c
-target/arm/as3525/sansa-clip/backlight-clip.c
 #ifndef BOOTLOADER
 target/arm/powermgmt-ascodec.c
 target/arm/as3525/sansa-clip/powermgmt-clip.c

firmware/target/arm/as3525/sansa-clip/backlight-clip.c

@@ -1,35 +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 "backlight-target.h"
-#include "as3525.h"
-
-void _buttonlight_on(void)
-{
-    GPIOD_DIR |= (1<<7);
-    GPIOD_PIN(7) = (1<<7);  /* set pin d7 high */
-}
-
-void _buttonlight_off(void)
-{
-    GPIOD_DIR |= (1<<7);
-    GPIOD_PIN(7) = 0;       /* set pin d7 low */
-}

firmware/target/arm/as3525/sansa-clip/backlight-target.h

@@ -25,8 +25,6 @@
 #include "lcd.h"
 #include "backlight.h"
 
-#define _backlight_init() true
-
 static inline void _backlight_on(void)
 {
     lcd_enable(true);
@@ -37,7 +35,20 @@ static inline void _backlight_off(void)
     lcd_enable(false);
 }
 
-void _buttonlight_on(void);
+static inline bool _backlight_init(void)
-void _buttonlight_off(void);
+{
+    GPIOD_DIR |= (1<<7); /* for button light */
+    return true;
+}
+
+static inline void _buttonlight_on(void)
+{
+    GPIOD_PIN(7) = (1<<7);
+}
+
+static inline void _buttonlight_off(void)
+{
+    GPIOD_PIN(7) = 0;
+}
 
 #endif