Add the ADC_ACCESSORY channel on the ipod, to allow for accessory detection once we figure that out.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17648 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 6 insertions, 1 deletions

diff --git a/apps/debug_menu.c b/apps/debug_menu.c
index 22b1777a68..72c8225476 100644
--- a/apps/debug_menu.c
+++ b/apps/debug_menu.c
@@ -1194,6 +1194,8 @@ bool dbg_ports(void)
         lcd_puts(0, line++, buf);
         snprintf(buf, sizeof(buf), "DEV_INIT2: %08lx", DEV_INIT2);
         lcd_puts(0, line++, buf);
+        snprintf(buf, sizeof(buf), "ACCESSORY: %d", adc_read(ADC_ACCESSORY));
+        lcd_puts(0, line++, buf);
 
 #if defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
         line++;
diff --git a/firmware/target/arm/ipod/adc-ipod-pcf.c b/firmware/target/arm/ipod/adc-ipod-pcf.c
index c0936251ad..0ca78caa94 100644
--- a/firmware/target/arm/ipod/adc-ipod-pcf.c
+++ b/firmware/target/arm/ipod/adc-ipod-pcf.c
@@ -83,5 +83,7 @@ void adc_init(void)
     struct adc_struct *adc_battery = &adcdata[ADC_BATTERY];
     adc_battery->channelnum = 0x2; /* ADCVIN1, resistive divider */
     adc_battery->timeout = 0;
+    adcdata[ADC_ACCESSORY].channelnum = 4;
+    adcdata[ADC_ACCESSORY].timeout = 0;
     _adc_read(adc_battery);
 }
diff --git a/firmware/target/arm/ipod/adc-target.h b/firmware/target/arm/ipod/adc-target.h
index 8458779b59..983dd4fbba 100644
--- a/firmware/target/arm/ipod/adc-target.h
+++ b/firmware/target/arm/ipod/adc-target.h
@@ -19,9 +19,10 @@
 #ifndef _ADC_TARGET_H_
 #define _ADC_TARGET_H_
 
-#define NUM_ADC_CHANNELS 1
+#define NUM_ADC_CHANNELS 2
 
 #define ADC_BATTERY 0
+#define ADC_ACCESSORY 1
 #define ADC_UNREG_POWER ADC_BATTERY
 
 /* Force a scan now */