Index: apps/action.h
===================================================================
--- apps/action.h	(revision 29042)
+++ apps/action.h	(working copy)
@@ -246,6 +246,7 @@
      * being used, but are nice additions if the touchscreen is used */
     ACTION_TOUCH_SHUFFLE,
     ACTION_TOUCH_REPMODE,
+    ACTION_TOUCH_MUTE,
 #endif    
 
     /* USB HID codes */
Index: apps/gui/skin_engine/skin_parser.c
===================================================================
--- apps/gui/skin_engine/skin_parser.c	(revision 29042)
+++ apps/gui/skin_engine/skin_parser.c	(working copy)
@@ -876,6 +876,7 @@
     { "resumeplayback", ACTION_TREE_WPS}, /* returns to previous music, WPS/FM */
     /* not really WPS specific, but no equivilant ACTION_STD_* */
     {"voldown", ACTION_WPS_VOLDOWN},    {"volup", ACTION_WPS_VOLUP},
+    {"mute", ACTION_TOUCH_MUTE },
     
     /* generic settings changers */
     {"setting_inc", ACTION_SETTINGS_INC}, {"setting_dec", ACTION_SETTINGS_DEC}, 
Index: apps/gui/wps.c
===================================================================
--- apps/gui/wps.c	(revision 29042)
+++ apps/gui/wps.c	(working copy)
@@ -246,6 +246,16 @@
             option_select_next_val(setting, button == ACTION_SETTINGS_DEC, true);
         }
         return ACTION_REDRAW;
+        case ACTION_TOUCH_MUTE:
+        {
+            const int min_vol = sound_min(SOUND_VOLUME);
+            if (global_settings.volume == min_vol)
+                global_settings.volume = (intptr_t)region->extradata;
+            else
+                global_settings.volume = (intptr_t)region->extradata = min_vol;
+            setvol();
+        }
+        return ACTION_REDRAW;
     }
     return button;
 }