Recent fix "Prevent the click of death when connecting an ipod to usb." is useful for the H10 also.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11660 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/iriver/h10/usb-h10.c

@@ -51,6 +51,8 @@ void usb_enable(bool on)
      * bootloader can start up in UMS mode. This does not return. */
     if (on && (button_status()==BUTTON_RIGHT))
     {
+        ata_sleepnow(); /* Immediately spindown the disk. */
+        sleep(HZ*2);
         system_reboot();
     }
 }