diff --git a/build/libraries/snd/ARM7/snd_i2s.c b/build/libraries/snd/ARM7/snd_i2s.c
index 73857fa..30e1a37 100644
--- a/build/libraries/snd/ARM7/snd_i2s.c
+++ b/build/libraries/snd/ARM7/snd_i2s.c
@@ -46,8 +46,12 @@ static void SNDi_I2SInit(void)
         if (reg_CFG_TWL_EX & REG_CFG_TWL_EX_I2S_MASK)
         {
             isTwl = TRUE;
-            reg_SND_I2SCNT |= REG_SND_I2SCNT_MIX_RATIO_MASK;
-            reg_SND_I2SCNT &= ~(REG_SND_I2SCNT_MUTE_MASK | REG_SND_I2SCNT_CODEC_SMP_MASK);  // 32KHz
+            // 32KHz
+//            reg_SND_I2SCNT |= REG_SND_I2SCNT_MIX_RATIO_MASK;
+//            reg_SND_I2SCNT &= ~(REG_SND_I2SCNT_MUTE_MASK | REG_SND_I2SCNT_CODEC_SMP_MASK);
+            // 48KHz
+            reg_SND_I2SCNT |= REG_SND_I2SCNT_MIX_RATIO_MASK | REG_SND_I2SCNT_CODEC_SMP_MASK;
+            reg_SND_I2SCNT &= ~(REG_SND_I2SCNT_MUTE_MASK);
         }
         if ((reg_CFG_CLK & REG_CFG_CLK_SND_MASK) == 0)
         {
diff --git a/build/tests/snd/channel/ARM7/src/main.c b/build/tests/snd/channel/ARM7/src/main.c
index f8cd4a9..b158d16 100644
--- a/build/tests/snd/channel/ARM7/src/main.c
+++ b/build/tests/snd/channel/ARM7/src/main.c
@@ -29,7 +29,7 @@
  *---------------------------------------------------------------------------*/
 static OSHeapHandle InitializeAllocateSystem(void);
 static void VBlankIntr(void);
-
+#include <twl/cdc.h>    // for DS-mode
 /*---------------------------------------------------------------------------*
   Name:         TwlSpMain
 
@@ -56,6 +56,14 @@ void TwlSpMain(void)
     // サウンド初期化
     SND_Init(THREAD_PRIO_SND);
 
+#if 0
+    // DS mode
+    SND_Disable();
+    reg_SND_I2SCNT &= ~REG_SND_I2SCNT_CODEC_SMP_MASK;   // 32kHz
+    SND_Enable();
+    CDC_GoDsMode();
+#endif
+
 //    reg_CFG_DS_MDFY |= REG_CFG_DS_MDFY_SND_MASK;  // SOUND回路バグ修正 (default: off)
 //    reg_CFG_DS_MDFY |= REG_CFG_DS_MDFY_SDMA_MASK; // SOUND-DMAバグ修正 (default: off)
 //    reg_CFG_DS_EX &= ~REG_CFG_DS_EX_SDMA2_MASK;   // SOUND-DMA新回路 (default: on)
diff --git a/include/twl/cdc/ARM7/cdc_dsmode_access.h b/include/twl/cdc/ARM7/cdc_dsmode_access.h
index 4c510b3..333049b 100644
--- a/include/twl/cdc/ARM7/cdc_dsmode_access.h
+++ b/include/twl/cdc/ARM7/cdc_dsmode_access.h
@@ -82,7 +82,8 @@ static inline void CDCi_DsmodeChangeSpiMode( SPITransMode continuous )
 {
     reg_SPI_SPICNT = (u16)((1 << REG_SPI_SPICNT_E_SHIFT) |
                            (0 << REG_SPI_SPICNT_I_SHIFT) |
-                           (SPI_COMMPARTNER_TP << REG_SPI_SPICNT_SEL_SHIFT) |
+//                           (SPI_COMMPARTNER_TP << REG_SPI_SPICNT_SEL_SHIFT) |
+                           (SPI_COMMPARTNER_PMIC << REG_SPI_SPICNT_SEL_SHIFT) |
                            (continuous << REG_SPI_SPICNT_MODE_SHIFT) |
                            (CDCi_DsmodeGetSPIBaudRate() << REG_SPI_SPICNT_BAUDRATE_SHIFT));
 }