From 7c90d5403c8a8d57baa4f93ae2a6c7f623dd6fb1 Mon Sep 17 00:00:00 2001
From: ChenJQ <chenjq@rock-chips.com>
Date: Sun, 26 Sep 2010 02:54:35 -0700
Subject: [PATCH] change headset incall volume for raho

---
 sound/soc/codecs/wm8994.c | 9 ++++-----
 sound/soc/rk2818/Kconfig  | 6 ++++--
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index a73e8d9c7b02..1d5870fc0abd 100755
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -675,10 +675,6 @@ void handsetMIC_to_baseband_to_headset(void)
 		wm8994_write(0x1E,  0x0006);  //mic vol
 		wm8994_write(0x18,  320+(vol+16)*10/15);  //mic vol
 	}
-	vol=CONFIG_WM8994_HEADSET_INCALL_VOL;
-	if(vol>0)vol=0;
-	if(vol<-21)vol=-21;
-	wm8994_write(0x31,  (((-vol)/3)<<3)+(-vol)/3);  //-21dB
 
 	wm8994_write(0x22,  0x0000);
 	wm8994_write(0x23,  0x0100);
@@ -690,8 +686,11 @@ void handsetMIC_to_baseband_to_headset(void)
 	wm8994_write(0x2E,  0x0003);  //bit 1 IN2RP_TO_MIXOUTR bit 12 DAC1R_TO_HPOUT1R  0x0102
 #endif
 #ifdef CONFIG_SND_BB_DIFFERENTIAL_INPUT
+	vol=CONFIG_WM8994_HEADSET_INCALL_VOL;
+	if(vol>6)vol=6;
+	if(vol<-12)vol=-12;
+	wm8994_write(0x2B,  (vol+12)/3+1);  //-12~6dB
 	wm8994_write(0x02,  0x6240);
-	wm8994_write(0x2B,  0x0005);  //VRX_MIXINL_VOL
 	wm8994_write(0x2D,  0x0041);  //bit 1 MIXINL_TO_MIXOUTL bit 12 DAC1L_TO_HPOUT1L  0x0102 
 	wm8994_write(0x2E,  0x0081);  //bit 1 MIXINL_TO_MIXOUTR bit 12 DAC1R_TO_HPOUT1R  0x0102
 #endif
diff --git a/sound/soc/rk2818/Kconfig b/sound/soc/rk2818/Kconfig
index 5345fc2f1ad2..304ac0a3ba51 100755
--- a/sound/soc/rk2818/Kconfig
+++ b/sound/soc/rk2818/Kconfig
@@ -78,11 +78,13 @@ config WM8994_EARPIECE_INCALL_VOL
 	  -27dB to 30dB
 endif
 
+if SND_BB_DIFFERENTIAL_INPUT
 config WM8994_HEADSET_INCALL_VOL
-	default -9
+	default 6
 	int "Setting the wm8994 headset incall vol"
 	help
-	  -21dB to 0dB
+	  -12dB to 6dB
+endif
 
 config WM8994_HEADSET_INCALL_MIC_VOL  
 	default -6
-- 
2.34.1