rename ext to engine. lua only, not matron glue

lua/core/audio.lua

@@ -22,7 +22,7 @@ Audio.level_dac = function(level)
   _norns.level_dac(level)
 end
 
-Audio.level_ext = function(level)
+Audio.level_eng = function(level)
   _norns.level_ext(level)
 end
 
@@ -92,9 +92,9 @@ function Audio.level_monitor_rev(val)
    _norns.level_monitor_rev(val)
 end
 
---- reverb EXT level.
+--- reverb ENGINE level.
 -- @param val
-function Audio.level_ext_rev(val)
+function Audio.level_eng_rev(val)
    _norns.level_ext_rev(val)
 end
 
@@ -181,9 +181,9 @@ Audio.level_adc_cut = function(value)
   _norns.level_adc_cut(value)
 end
 
---- softcut ext level.
+--- softcut eng level.
 -- @param value
-Audio.level_ext_cut = function(value)
+Audio.level_eng_cut = function(value)
   _norns.level_ext_cut(value)
 end
 

lua/core/menu.lua

@@ -1303,7 +1303,7 @@ end
 
 m.enc[pMIX] = function(n,d)
   local ch1 = {"output", "monitor", "softcut"}
-  local ch2 = {"input", "ext", "tape"}
+  local ch2 = {"input", "engine", "tape"}
 
   if n==2 then
     mix:delta(ch1[m.mix.sel],d)
@@ -1354,7 +1354,7 @@ m.redraw[pMIX] = function()
   screen.stroke()
 
   screen.level(2)
-  n = mix:get_raw("ext")*48
+  n = mix:get_raw("engine")*48
   screen.rect(x+108.5,55.5,2,-n)
   screen.stroke()
 
@@ -1377,7 +1377,7 @@ m.redraw[pMIX] = function()
   screen.move(46,63)
   screen.text("mon")
   screen.move(68,63)
-  screen.text("ext")
+  screen.text("eng")
   screen.level(m.mix.sel==3 and 15 or 1)
   screen.move(90,63)
   screen.text("cut")

lua/core/mix.lua

@@ -14,9 +14,9 @@ local cs_MUTE_LEVEL = cs.new(-math.huge,0,'db',0,-math.huge,"dB")
 mix:add_control("monitor", "monitor", cs_MUTE_LEVEL)
 mix:set_action("monitor",
   function(x) audio.level_monitor(util.dbamp(x)) end)
-mix:add_control("ext", "ext", cs_MAIN_LEVEL)
-mix:set_action("ext",
-  function(x) audio.level_ext(util.dbamp(x)) end)
+mix:add_control("engine", "engine", cs_MAIN_LEVEL)
+mix:set_action("engine",
+  function(x) audio.level_eng(util.dbamp(x)) end)
 mix:add_control("softcut", "softcut", cs_MAIN_LEVEL)
 mix:set_action("softcut",
   function(x) audio.level_cut(util.dbamp(x)) end)
@@ -53,11 +53,11 @@ local cs_DB_LEVEL = cs.new(-math.huge,18,'db',0,0,"dB")
 local cs_DB_LEVEL_MUTE = cs.new(-math.huge,18,'db',0,-math.huge,"dB")
 local cs_DB_LEVEL_9DB = cs.new(-math.huge,18,'db',0,-9,"dB")
 
-mix:add_control("rev_ext_input", "rev ext input", cs_DB_LEVEL_9DB)
-mix:set_action("rev_ext_input",
-  function(x) audio.level_ext_rev(util.dbamp(x)) end)
+mix:add_control("rev_eng_input", "rev eng input", cs_DB_LEVEL_9DB)
+mix:set_action("rev_eng_input",
+  function(x) audio.level_eng_rev(util.dbamp(x)) end)
 
-mix:add_control("rev_cut_input", "rev cut input", cs_DB_LEVEL_MUTE)
+mix:add_control("rev_cut_input", "rev cut input", cs_DB_LEVEL_9DB)
 mix:set_action("rev_cut_input",
   function(x) audio.level_cut_rev(util.dbamp(x)) end)