Merge branch 'feature/7' into develop

Author: suikan4github

CHANGELOG.md

@@ -7,6 +7,7 @@ History of the project development
 - [Issue #4](https://github.com/suikan4github/rpp_driver/issues/4) Add gcov support for x86 build. 
 - [Issue #5](https://github.com/suikan4github/rpp_driver/issues/5) Migrate action from hand-made to marketplace.
 - [Issue #6](https://github.com/suikan4github/rpp_driver/issues/6) Add comment string to the assertion.
+- [Issue #7](https://github.com/suikan4github/rpp_driver/issues/7) Remove default clause of adau1361.cpp and use -Wswitch-enum to detect the coverage error.
 - [Issue #8](https://github.com/suikan4github/rpp_driver/issues/8) Remove duplicated assertions in the adau1361lower.cpp.
 
 ### Deprecated

src/codec/adau1361.cpp

@@ -5,6 +5,10 @@
  *      Author: Seiichi "Suikan" Horie
  */
 
+// GCC/Clang : Promote the switch-enum warning to error.
+// MSVC : ignored.
+#pragma GCC diagnostic error "-Wswitch-enum"
+
 #include "adau1361.hpp"
 
 #include <assert.h>
@@ -94,9 +98,6 @@ void ::rpp_driver::Adau1361::SetGain(CodecChannel channel, float left_gain,
       adau1361_lower_.SetHpOutputGain(hp_output_left_gain_,
                                       hp_output_right_gain_, hp_output_mute_);
       break;
-    default:
-      assert(false);
-      break;
   }
   CODEC_SYSLOG("Leave.")
 }
@@ -130,9 +131,6 @@ void ::rpp_driver::Adau1361::Mute(CodecChannel channel, bool mute) {
       adau1361_lower_.SetHpOutputGain(hp_output_left_gain_,
                                       hp_output_right_gain_, hp_output_mute_);
       break;
-    default:
-      assert(false);
-      break;
   }
   CODEC_SYSLOG("Leave.")
 }