fix mono recording token,

Add %bu - usb powered token


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23713 a1c6a512-1295-4272-9138-f99709370657

apps/gui/skin_engine/skin_parser.c

@@ -201,6 +201,9 @@ static const struct wps_tag all_tags[] = {
 #if CONFIG_CHARGING
     { WPS_TOKEN_BATTERY_CHARGER_CONNECTED,"bp",  WPS_REFRESH_DYNAMIC, NULL },
 #endif
+#ifdef HAVE_USB_POWER
+	{ WPS_TOKEN_USB_POWERED,			  "bu",  WPS_REFRESH_DYNAMIC, NULL },
+#endif
 
     { WPS_TOKEN_RTC_PRESENT     ,             "cc", WPS_REFRESH_STATIC, NULL },
     { WPS_TOKEN_RTC_DAY_OF_MONTH,             "cd", WPS_RTC_REFRESH, NULL },

apps/gui/skin_engine/skin_tokens.c

@@ -60,6 +60,7 @@
 #include "pcm_record.h"
 #endif
 #include "language.h"
+#include "usb.h"
 
 static char* get_codectype(const struct mp3entry* id3)
 {
@@ -546,6 +547,12 @@ const char *get_token_value(struct gui_wps *gwps,
                 return NULL;
             }
         }
+#endif
+#ifdef HAVE_USB_POWER
+		case WPS_TOKEN_USB_POWERED:
+			if (usb_powered())
+				return "u";
+			return NULL;
 #endif
         case WPS_TOKEN_BATTERY_SLEEPTIME:
         {
@@ -1129,10 +1136,9 @@ const char *get_token_value(struct gui_wps *gwps,
             return buf;
 #endif
         case WPS_TOKEN_REC_MONO:
-            if (intval)
-                *intval = global_settings.rec_channels?2:1;
-            snprintf(buf, buf_size, "%s", !global_settings.rec_channels?"m":'\0');
-            return buf;
+			if (!global_settings.rec_channels)
+				return "m";
+			return NULL;
 
 #endif /* HAVE_RECORDING */
         case WPS_TOKEN_CURRENT_SCREEN:

apps/gui/skin_engine/skin_tokens.h

@@ -61,6 +61,7 @@ enum wps_token_type {
     WPS_TOKEN_BATTERY_CHARGER_CONNECTED,
     WPS_TOKEN_BATTERY_CHARGING,
     WPS_TOKEN_BATTERY_SLEEPTIME,
+    WPS_TOKEN_USB_POWERED,
 
     /* Sound */
   TOKEN_MARKER_SOUND,