Add touchscreen_get_mode() to plugin and lua.

Change-Id: I44b8693c689da00f57c14622f4ba3dc554dbbfc9
diff --git a/apps/plugin.c b/apps/plugin.c
index 2528075..1ac69da 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -326,6 +326,7 @@
 #endif
 #ifdef HAVE_TOUCHSCREEN
     touchscreen_set_mode,
+    touchscreen_get_mode,
 #endif
     
 #ifdef HAVE_BUTTON_LIGHT
diff --git a/apps/plugin.h b/apps/plugin.h
index d83f6f4..8ce6faf 100644
--- a/apps/plugin.h
+++ b/apps/plugin.h
@@ -413,6 +413,7 @@
 #endif
 #ifdef HAVE_TOUCHSCREEN
     void (*touchscreen_set_mode)(enum touchscreen_mode);
+    enum touchscreen_mode (*touchscreen_get_mode)(void);
 #endif
 #ifdef HAVE_BUTTON_LIGHT
     void (*buttonlight_set_timeout)(int value);
diff --git a/apps/plugins/lua/rocklib.c b/apps/plugins/lua/rocklib.c
index ddd4081..8e1ab19 100644
--- a/apps/plugins/lua/rocklib.c
+++ b/apps/plugins/lua/rocklib.c
@@ -425,6 +425,11 @@
     rb->touchscreen_set_mode(mode);
     return 0;
 }
+RB_WRAP(touchscreen_get_mode)
+{
+    lua_pushinteger(L, rb->touchscreen_get_mode());
+    return 1;
+}
 #endif
 
 RB_WRAP(font_getstringsize)
@@ -638,6 +643,7 @@
 #ifdef HAVE_TOUCHSCREEN
     R(action_get_touchscreen_press),
     R(touchscreen_set_mode),
+    R(touchscreen_get_mode),
 #endif
     R(kbd_input),