diff --git a/trunk/adc.c b/trunk/adc.c
index 9b2bcdc..ffbe9f1 100644
--- a/trunk/adc.c
+++ b/trunk/adc.c
@@ -126,19 +126,17 @@ void tsk_adc(  )
                 static u8 vol_old;
                 static u8 force_update_vol;
 
-                temp = slider_to_codec[ adc_raw_vol / 4 ];
-                if( abs( adc_raw_vol - vol_old ) >= 2 )
+                if( abs( adc_raw_vol - vol_old ) >= 2 )       // 生値でこれくらいずれたら更新
                 {
-//                    temp = slider_to_codec[ adc_raw_vol / 4 ];
-                    if( vreg_ctr[ VREG_C_SND_VOL ] != temp )
+//                    if( vreg_ctr[ VREG_C_SND_VOL ] != ( adc_raw_vol / 4 ) )
                     {
                         vol_old = adc_raw_vol;
                         // レジスタ更新
-                        vreg_ctr[ VREG_C_SND_VOL ] = temp;
+                        vreg_ctr[ VREG_C_SND_VOL ] = ( adc_raw_vol / 4 );
                         vreg_twl[ REG_TWL_INT_ADRS_VOL ] = adc_raw_vol / ( 256 / 32 );  // ←adc値でよい
 
                         // codecに伝える
-                        iic_mcu_write_a_byte( IIC_SLA_CODEC, CODEC_REG_VOL, temp );
+                        iic_mcu_write_a_byte( IIC_SLA_CODEC, CODEC_REG_VOL, slider_to_codec[ adc_raw_vol / 4 ] );
 #ifndef _MODEL_CTR_
                         iic_mcu_write_a_byte( IIC_SLA_DCP, 0, slider_to_codec[ ( 255 - adc_raw_vol ) / 4 ] );  // todo
 #endif
@@ -153,12 +151,12 @@ void tsk_adc(  )
                     {
                         vol_old = adc_raw_vol;
                         // レジスタ更新
-                        vreg_ctr[ VREG_C_SND_VOL ] = temp;
-                        vreg_twl[ REG_TWL_INT_ADRS_VOL ] = adc_raw_vol / ( 256 / 32 );  // ←adc値でよい
+//                        vreg_ctr[ VREG_C_SND_VOL ] = temp;
+//                        vreg_twl[ REG_TWL_INT_ADRS_VOL ] = adc_raw_vol / ( 256 / 32 );  // ←adc値でよい
+                        // codecに伝える
+                        iic_mcu_write_a_byte( IIC_SLA_CODEC, CODEC_REG_VOL, slider_to_codec[ adc_raw_vol / 4 ] );
+                        force_update_vol = 100;
                     }
-                    // codecに伝える
-                    iic_mcu_write_a_byte( IIC_SLA_CODEC, CODEC_REG_VOL, temp );
-                    force_update_vol = 100;
                 }
             }