misc: Properly annotate some intentional case fallthroughs

Change-Id: Ie758f17fefac72aca1aa28a8ba1126b9334fe134

apps/plugins/lastfm_scrobbler.c

@@ -248,6 +248,7 @@ static int scrobbler_menu_action(int selection, bool has_log)
                     return -1;
                 }
             }
+            /* fallthrough */
         case 10: /* Export & exit */
         {
             res = configfile_save(CFG_FILE, config, gCfg_sz, CFG_VER);

apps/plugins/lastfm_scrobbler_viewer.c

@@ -809,7 +809,7 @@ static int scrobbler_context_menu(struct printcell_data_t *pc_data)
 
                 if (find_type == FIND_ALL)
                     find_type = FIND_INCLUDE;
-                /* fall-through */
+                /* fallthrough */
             }
             case 3: /*Custom Filter / Settings */
             {

apps/plugins/lua/ldebug.c

@@ -254,6 +254,7 @@ static int stripdebug (lua_State *L, Proto *f, const int level) {
       len += f->sizelineinfo;
       f->packedlineinfo = luaM_freearray(L, f->packedlineinfo, f->sizelineinfo, unsigned char);
       f->sizelineinfo = 0;
+      /* fallthrough */
     case 2:
       len += f->sizelocvars * (sizeof(struct LocVar) + sizeof(dummy->tsv) + sizeof(struct LocVar *));
       f->locvars = luaM_freearray(L, f->locvars, f->sizelocvars, struct LocVar);
@@ -262,6 +263,7 @@ static int stripdebug (lua_State *L, Proto *f, const int level) {
              f->sizeupvalues * (sizeof(dummy->tsv) + sizeof(TString *));
       f->sizelocvars = 0;
       f->sizeupvalues = 0;
+      /* fallthrough */
     case 1:
     default:
       break;
@@ -510,7 +512,7 @@ static Instruction symbexec (const Proto *pt, int lastpc, int reg) {
       case OP_FORLOOP:
       case OP_FORPREP:
         checkreg(pt, a+3);
-        /* go through */
+        /* fallthrough */
       case OP_JMP: {
         int dest = pc+1+b;
         /* not full check and jump is forward and do not skip `lastpc'? */
@@ -733,4 +735,3 @@ void luaG_runerror (lua_State *L, const char *fmt, ...) {
   va_end(argp);
   luaG_errormsg(L);
 }
-

apps/plugins/lua/llex.c

@@ -367,6 +367,7 @@ static int llex (LexState *ls, SemInfo *seminfo) {
         }
         else if (sep == -1) return '[';
         else luaX_lexerror(ls, "invalid long string delimiter", TK_STRING);
+        break;  /* to avoid warnings */
       }
       case '=': {
         next(ls);
@@ -460,4 +461,3 @@ void luaX_lookahead (LexState *ls) {
   lua_assert(ls->lookahead.token == TK_EOS);
   ls->lookahead.token = llex(ls, &ls->lookahead.seminfo);
 }
-

apps/plugins/mpegplayer/stream_mgr.c

@@ -693,6 +693,7 @@ static intptr_t send_video_msg(long id, intptr_t data)
         case VIDEO_PRINT_FRAME:
             if (data)
                 break;
+            /* fallthrough */
         case VIDEO_PRINT_THUMBNAIL:
             if (disk_buf_status() != STREAM_STOPPED)
                 break; /* Prepare image if not playing */
@@ -1132,7 +1133,7 @@ int stream_init(void)
         rb->splash(HZ, "Parser init failed!");
     }
     else
-    {    
+    {
         return STREAM_OK;
     }
 

firmware/common/unicode.c

@@ -374,7 +374,7 @@ unsigned char* iso_decode_ex(const unsigned char *iso, unsigned char *utf8, int
                         ucs = table[tmp];
                         break;
                     }
-
+                    /* fallthrough */
                 case CP_TID_936: /* Simplified Chinese */
                 case CP_TID_949: /* Korean */
                 case CP_TID_950: /* Traditional Chinese */

firmware/kernel/thread.c

@@ -889,7 +889,7 @@ unsigned int wakeup_thread_(struct thread_entry *thread
             UNLOCK_THREAD(thread);
             return THREAD_OK; /* timed out */
         }
-
+        /* fallthrough */
     default:
         UNLOCK_THREAD(thread);
         return THREAD_NONE;
@@ -1044,7 +1044,7 @@ void switch_thread(void)
             break;
 
         thread = NULL;
-        
+
         /* Enter sleep mode to reduce power usage */
         RTR_UNLOCK(corep);
         core_sleep(IF_COP(core));

firmware/target/mips/ingenic_jz47xx/ata-sd-jz4760.c

@@ -788,7 +788,7 @@ static int jz_sd_exec_cmd(const int drive, struct sd_request *request)
               (unsigned char *) ((unsigned int) request->response + 5);
             request->block_len = 8;
             request->nob = 1;
-
+            /* fallthrough */
         case SD_READ_DAT_UNTIL_STOP:
         case SD_READ_SINGLE_BLOCK:
         case SD_READ_MULTIPLE_BLOCK:

lib/rbcodec/dsp/dsp_misc.c

@@ -170,6 +170,7 @@ static intptr_t misc_handler_configure(struct dsp_proc_entry *this,
         dsp_pitch_update(dsp);
 #endif
         value = (intptr_t)NULL; /* Default gains */
+        /* fallthrough */
     case REPLAYGAIN_SET_GAINS:
         dsp_replaygain_set_gains((void *)value);
         break;