as3525v2: acknowledge USB connection/deconnection in SD thread

Fuzev2: detect USB connection and reboot to OF

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25446 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/as3525/sd-as3525v2.c

@@ -39,6 +39,7 @@
 #include "stdbool.h"
 #include "ata_idle_notify.h"
 #include "sd.h"
+#include "usb.h"
 
 #ifdef HAVE_HOTSWAP
 #include "disk.h"
@@ -608,7 +609,7 @@ static void sd_thread(void)
                 }
             }
             break;
-#if 0
+
         case SYS_USB_CONNECTED:
             usb_acknowledge(SYS_USB_CONNECTED_ACK);
             /* Wait until the USB cable is extracted again */
@@ -618,7 +619,6 @@ static void sd_thread(void)
         case SYS_USB_DISCONNECTED:
             usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
             break;
-#endif
         }
     }
 }

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

@@ -31,6 +31,10 @@
 
 #if CONFIG_CPU == AS3525
 static int usb_status = USB_EXTRACTED;
+#else
+#ifdef SANSA_FUZEV2
+#define USB_DETECT_PIN 3
+#endif
 #endif
 
 void usb_enable(bool on)