Various minor cleanups for mini2440

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27645 a1c6a512-1295-4272-9138-f99709370657

firmware/drivers/audio/uda1341.c

@@ -221,10 +221,12 @@ void audiohw_set_treble(int value)
 }
 */
 
+#ifdef AUDIOHW_HAVE_PRESCALER
 void audiohw_set_prescaler(int val)
 {
     (void)val;
 }
+#endif /* AUDIOHW_HAVE_PRESCALER */
 
 /**
  * Sets left and right master volume  (1(max) to 62(muted))

firmware/target/arm/s3c2440/dma-s3c2440.c

@@ -35,7 +35,7 @@ static int dma_used = 0;
 /* Status flags */
 #define STATUS_CHANNEL_ACTIVE (1<<0)
 
-struct dma_channel_state 
+static struct dma_channel_state 
 {
     volatile unsigned status;
     void (*callback)(void);
@@ -162,7 +162,7 @@ void dma_enable_channel(int channel, struct dma_request *request)
 }
 
 /* ISRs */
-inline void generic_isr (unsigned channel)
+static inline void generic_isr (unsigned channel)
 {
     if (dma_state [channel].status | STATUS_CHANNEL_ACTIVE)
     {

firmware/target/arm/s3c2440/mini2440/backlight-mini2440.c

@@ -54,7 +54,7 @@ void _backlight_set_brightness(int brightness)
     backlight_control = BACKLIGHT_CONTROL_SET;
 }
 
-void _backlight_set_state (unsigned int level)
+static void _backlight_set_state (unsigned int level)
 {
     if (level == 0)
        GPGDAT &= ~GPIO_LCD_PWR;

firmware/target/arm/s3c2440/mini2440/button-mini2440.c

@@ -82,8 +82,11 @@ void touchpad_set_sensitivity(int level)
     /* No touchpad */
 }
 
+#ifdef HAVE_HEADPHONE_DETECTION
 bool headphones_inserted(void)
 {
     /* No detect */
     return false;
 }
+#endif /* HAVE_HEADPHONE_DETECTION */
+

firmware/target/arm/s3c2440/mini2440/led-mini2440.c

@@ -21,6 +21,7 @@
 #include "config.h"
 #include "cpu.h"
 #include "kernel.h"
+#include "led-mini2440.h"
 
 /* LED functions for debug */
 

firmware/target/arm/s3c2440/mini2440/powermgmt-mini2440.c

@@ -58,6 +58,7 @@ unsigned int battery_adc_voltage(void)
     return 4000 * 1024 / 1000;
 }
 
+#ifdef HAVE_BATTERY_SWITCH
 unsigned int input_millivolts(void)
 {
     unsigned int batt_millivolts = battery_voltage();
@@ -65,5 +66,5 @@ unsigned int input_millivolts(void)
    /* No battery, return nominal value */
     return batt_millivolts;
 }
-
+#endif /* HAVE_BATTERY_SWITCH */
 

firmware/target/arm/s3c2440/uart-s3c2440.c

@@ -33,6 +33,7 @@
 
 #include "system-target.h"
 #include "uart-s3c2440.h"
+#include "serial.h"
 
 #define MAX_PRINTF_BUF        1024