From a60cf67fb2b300668734c0564537540e31c13205 Mon Sep 17 00:00:00 2001
From: philmoz <philmoz@users.noreply.github.com>
Date: Fri, 29 Sep 2023 11:34:34 +1000
Subject: [PATCH] fix(radio): Lua insertMix function not working (#4129)

---
 radio/src/lua/api_model.cpp | 2 +-
 radio/src/mixes.cpp         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/radio/src/lua/api_model.cpp b/radio/src/lua/api_model.cpp
index 2e59feefd..4a76aebeb 100644
--- a/radio/src/lua/api_model.cpp
+++ b/radio/src/lua/api_model.cpp
@@ -890,7 +890,7 @@ static int luaModelInsertMix(lua_State *L)
 
   if (chn<MAX_OUTPUT_CHANNELS && getMixCount()<MAX_MIXERS && idx<=count) {
     idx += first;
-    insertMix(idx, chn + 1);
+    insertMix(idx, chn);
     MixData *mix = mixAddress(idx);
     luaL_checktype(L, -1, LUA_TTABLE);
     for (lua_pushnil(L); lua_next(L, -2); lua_pop(L, 1)) {
diff --git a/radio/src/mixes.cpp b/radio/src/mixes.cpp
index 43a96af10..118bf1561 100644
--- a/radio/src/mixes.cpp
+++ b/radio/src/mixes.cpp
@@ -40,7 +40,7 @@ void insertMix(uint8_t idx, uint8_t channel)
   mix->destCh = channel;
   mix->srcRaw = channel + 1;
   if (!isSourceAvailable(mix->srcRaw)) {
-    if (s_currCh > adcGetMaxInputs(ADC_INPUT_MAIN)) {
+    if (channel >= adcGetMaxInputs(ADC_INPUT_MAIN)) {
       mix->srcRaw = MIXSRC_FIRST_STICK + channel;
     } else {
       mix->srcRaw = MIXSRC_FIRST_STICK + inputMappingChannelOrder(channel);