diff --git a/src/core/hle/service/csnd_snd.cpp b/src/core/hle/service/csnd_snd.cpp
index 27ade2470b..5d4093ff03 100644
--- a/src/core/hle/service/csnd_snd.cpp
+++ b/src/core/hle/service/csnd_snd.cpp
@@ -44,8 +44,10 @@ void CSND_SND::Initialize(Kernel::HLERequestContext& ctx) {
 void CSND_SND::Shutdown(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx, 0x02, 0, 0);
 
-    if (shared_memory) shared_memory = nullptr;
-    if (mutex) mutex = nullptr;
+    if (mutex)
+        mutex = nullptr;
+    if (shared_memory)
+        shared_memory = nullptr;
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RESULT_SUCCESS);
@@ -87,6 +89,54 @@ void CSND_SND::AcquireSoundChannels(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_CSND, "(STUBBED) called");
 }
 
+void CSND_SND::ReleaseSoundChannels(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx, 0x06, 0, 0);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RESULT_SUCCESS);
+
+    LOG_WARNING(Service_CSND, "(STUBBED) called");
+}
+
+void CSND_SND::FlushDataCache(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx, 0x9, 2, 2);
+    u32 address = rp.Pop<u32>();
+    u32 size = rp.Pop<u32>();
+    auto process = rp.PopObject<Kernel::Process>();
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RESULT_SUCCESS);
+
+    LOG_DEBUG(Service_CSND, "(STUBBED) called address=0x{:08X}, size=0x{:08X}, process={}", address,
+              size, process->process_id);
+}
+
+void CSND_SND::StoreDataCache(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx, 0xA, 2, 2);
+    u32 address = rp.Pop<u32>();
+    u32 size = rp.Pop<u32>();
+    auto process = rp.PopObject<Kernel::Process>();
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RESULT_SUCCESS);
+
+    LOG_DEBUG(Service_CSND, "(STUBBED) called address=0x{:08X}, size=0x{:08X}, process={}", address,
+              size, process->process_id);
+}
+
+void CSND_SND::InvalidateDataCache(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx, 0xB, 2, 2);
+    u32 address = rp.Pop<u32>();
+    u32 size = rp.Pop<u32>();
+    auto process = rp.PopObject<Kernel::Process>();
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RESULT_SUCCESS);
+
+    LOG_DEBUG(Service_CSND, "(STUBBED) called address=0x{:08X}, size=0x{:08X}, process={}", address,
+              size, process->process_id);
+}
+
 CSND_SND::CSND_SND() : ServiceFramework("csnd:SND", 4) {
     static const FunctionInfo functions[] = {
         // clang-format off
@@ -95,12 +145,12 @@ CSND_SND::CSND_SND() : ServiceFramework("csnd:SND", 4) {
         {0x00030040, &CSND_SND::ExecuteCommands, "ExecuteCommands"},
         {0x00040080, nullptr, "ExecuteType1Commands"},
         {0x00050000, &CSND_SND::AcquireSoundChannels, "AcquireSoundChannels"},
-        {0x00060000, nullptr, "ReleaseSoundChannels"},
+        {0x00060000, &CSND_SND::ReleaseSoundChannels, "ReleaseSoundChannels"},
         {0x00070000, nullptr, "AcquireCaptureDevice"},
         {0x00080040, nullptr, "ReleaseCaptureDevice"},
-        {0x00090082, nullptr, "FlushDataCache"},
-        {0x000A0082, nullptr, "StoreDataCache"},
-        {0x000B0082, nullptr, "InvalidateDataCache"},
+        {0x00090082, &CSND_SND::FlushDataCache, "FlushDataCache"},
+        {0x000A0082, &CSND_SND::StoreDataCache, "StoreDataCache"},
+        {0x000B0082, &CSND_SND::InvalidateDataCache, "InvalidateDataCache"},
         {0x000C0000, nullptr, "Reset"},
         // clang-format on
     };
diff --git a/src/core/hle/service/csnd_snd.h b/src/core/hle/service/csnd_snd.h
index 2221b3b3ca..3f1d2a55e1 100644
--- a/src/core/hle/service/csnd_snd.h
+++ b/src/core/hle/service/csnd_snd.h
@@ -64,8 +64,65 @@ private:
      */
     void AcquireSoundChannels(Kernel::HLERequestContext& ctx);
 
-    Kernel::SharedPtr<Kernel::SharedMemory> shared_memory = nullptr;
+    /**
+     * CSND_SND::ReleaseSoundChannels service function
+     *  Inputs:
+     *      0 : Header Code[0x00060000]
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void ReleaseSoundChannels(Kernel::HLERequestContext& ctx);
+
+    /**
+     * CSND_SND::FlushDataCache service function
+     *
+     * This Function is a no-op, We aren't emulating the CPU cache any time soon.
+     *
+     *  Inputs:
+     *      0 : Header Code[0x00090082]
+     *      1 : Address
+     *      2 : Size
+     *      3 : Value 0, some descriptor for the KProcess Handle
+     *      4 : KProcess handle
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void FlushDataCache(Kernel::HLERequestContext& ctx);
+
+    /**
+     * CSND_SND::StoreDataCache service function
+     *
+     * This Function is a no-op, We aren't emulating the CPU cache any time soon.
+     *
+     *  Inputs:
+     *      0 : Header Code[0x000A0082]
+     *      1 : Address
+     *      2 : Size
+     *      3 : Value 0, some descriptor for the KProcess Handle
+     *      4 : KProcess handle
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void StoreDataCache(Kernel::HLERequestContext& ctx);
+
+    /**
+     * CSND_SND::InvalidateDataCache service function
+     *
+     * This Function is a no-op, We aren't emulating the CPU cache any time soon.
+     *
+     *  Inputs:
+     *      0 : Header Code[0x000B0082]
+     *      1 : Address
+     *      2 : Size
+     *      3 : Value 0, some descriptor for the KProcess Handle
+     *      4 : KProcess handle
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void InvalidateDataCache(Kernel::HLERequestContext& ctx);
+
     Kernel::SharedPtr<Kernel::Mutex> mutex = nullptr;
+    Kernel::SharedPtr<Kernel::SharedMemory> shared_memory = nullptr;
 };
 
 /// Initializes the CSND_SND Service