Service::CFG: name sound output modes

src/core/hle/service/cfg/cfg.cpp

@@ -73,8 +73,7 @@ static const ConsoleModelInfo CONSOLE_MODEL = { NINTENDO_3DS_XL, { 0, 0, 0 } };
 static const u8 CONSOLE_LANGUAGE = LANGUAGE_EN;
 static const UsernameBlock CONSOLE_USERNAME_BLOCK = { u"CITRA", 0, 0 };
 static const BirthdayBlock PROFILE_BIRTHDAY = { 3, 25 }; // March 25th, 2014
-/// TODO(Subv): Find out what this actually is
-static const u8 SOUND_OUTPUT_MODE = 2;
+static const u8 SOUND_OUTPUT_MODE = SOUND_SURROUND;
 static const u8 UNITED_STATES_COUNTRY_ID = 49;
 /// TODO(Subv): Find what the other bytes are
 static const ConsoleCountryInfo COUNTRY_INFO = { { 0, 0, 0 }, UNITED_STATES_COUNTRY_ID };

src/core/hle/service/cfg/cfg.h

@@ -38,6 +38,12 @@ enum SystemLanguage {
     LANGUAGE_RU = 10
 };
 
+enum SoundOutputMode {
+    SOUND_MONO = 0,
+    SOUND_STEREO = 1,
+    SOUND_SURROUND = 2
+};
+
 /// Block header in the config savedata file
 struct SaveConfigBlockEntry {
     u32 block_id;       ///< The id of the current block