wm8994: add the spk earpiece Differential signal BB config

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 629ea11c62bfd1d9222e47976a1d99c7fbe35f81..b3526cb6e3f6850efa4687a49e7eabea01b18a10 100755 (executable)
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -1104,6 +1104,9 @@ void mainMIC_to_BB_to_headset(void)
 
 void mainMIC_to_BB_to_earpiece(void)
 {//
+       struct wm8994_priv *wm8994 = wm8994_codec->private_data;
+       struct wm8994_pdata *pdata = wm8994->pdata;
+
        DBG("%s::%d\n",__FUNCTION__,__LINE__);
 
        if(wm8994_current_mode == wm8994_mainMIC_to_baseband_to_earpiece)return;
@@ -1120,8 +1123,18 @@ void mainMIC_to_BB_to_earpiece(void)
 //path
        wm8994_write(0x28,  0x0003); //IN1RP_TO_IN1R IN1RN_TO_IN1R
        wm8994_write(0x34,  0x0004); //IN1R_TO_LINEOUT1P
-       wm8994_write(0x2D,  0x0003);  //bit 1 IN2LP_TO_MIXOUTL bit 0 DAC1L_TO_MIXOUTL   
-       wm8994_write(0x2E,  0x0003);  //bit 1 IN2RP_TO_MIXOUTR bit 0 DAC1R_TO_MIXOUTL
+       if(pdata->BB_input_diff == 1)
+       {
+               wm8994_write(0x2B,  0x0005);
+               wm8994_write(0x2D,  0x0041);    
+               wm8994_write(0x2E,  0x0081);            
+       }
+       else
+       {
+               wm8994_write(0x2D,  0x0003);  //bit 1 IN2LP_TO_MIXOUTL bit 0 DAC1L_TO_MIXOUTL   
+               wm8994_write(0x2E,  0x0003);  //bit 1 IN2RP_TO_MIXOUTR bit 0 DAC1R_TO_MIXOUTL
+       }
+
        wm8994_write(0x601, 0x0001); //AIF1DAC1L_TO_DAC1L=1
        wm8994_write(0x602, 0x0001); //AIF1DAC1R_TO_DAC1R=1
        wm8994_write(0x420, 0x0000);
@@ -1143,6 +1156,9 @@ void mainMIC_to_BB_to_earpiece(void)
 
 void mainMIC_to_BB_to_speakers(void)
 {//
+       struct wm8994_priv *wm8994 = wm8994_codec->private_data;
+       struct wm8994_pdata *pdata = wm8994->pdata;
+
        DBG("%s::%d\n",__FUNCTION__,__LINE__);
 
        if(wm8994_current_mode==wm8994_mainMIC_to_baseband_to_speakers)return;
@@ -1166,8 +1182,17 @@ void mainMIC_to_BB_to_speakers(void)
        wm8994_write(0x28,  0x0003);  //IN1RP_TO_IN1R IN1RN_TO_IN1R
        wm8994_write(0x34,  0x0004);  //IN1R_TO_LINEOUT1P
        //Listen
-       wm8994_write(0x2D,  0x0003);  //bit 1 IN2LP_TO_MIXOUTL bit 0 DAC1L_TO_MIXOUTL   
-       wm8994_write(0x2E,  0x0003);  //bit 1 IN2RP_TO_MIXOUTR bit 0 DAC1R_TO_MIXOUTL
+       if(pdata->BB_input_diff == 1)
+       {
+               wm8994_write(0x2B,  0x0005);
+               wm8994_write(0x2D,  0x0041);    
+               wm8994_write(0x2E,  0x0081);            
+       }
+       else
+       {
+               wm8994_write(0x2D,  0x0003);  //bit 1 IN2LP_TO_MIXOUTL bit 0 DAC1L_TO_MIXOUTL   
+               wm8994_write(0x2E,  0x0003);  //bit 1 IN2RP_TO_MIXOUTR bit 0 DAC1R_TO_MIXOUTL
+       }
        wm8994_write(0x36,  0x000C);  //MIXOUTL_TO_SPKMIXL       MIXOUTR_TO_SPKMIXR
        wm8994_write(0x420, 0x0000);  //AIF1DAC1_MUTE = unMUTE
        wm8994_write(0x601, 0x0001);  //AIF1DAC1L_TO_DAC1L=1
@@ -1284,10 +1309,10 @@ void BT_BB(void)
        wm8994_write(0x2E,   0x0001);
        wm8994_write(0x34,   0x0001);
        wm8994_write(0x36,   0x0004);
-       wm8994_write(0x601, 0x0004);
+       wm8994_write(0x601, 0x0004);//AIFDAC -- DAC
        wm8994_write(0x602, 0x0001);
-       wm8994_write(0x603, 0x000C);
-       wm8994_write(0x604, 0x0010);
+       wm8994_write(0x603, 0x000C);//
+       wm8994_write(0x604, 0x0010);//ADC --AIFADC
        wm8994_write(0x605, 0x0010);
        wm8994_write(0x620, 0x0000);
        wm8994_write(0x420, 0x0000);