From: root <root@lw.(none)>
Date: Wed, 27 Jul 2011 14:37:54 +0000 (+0800)
Subject: WM831X:enable battery FET
X-Git-Tag: firefly_0821_release~10072
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e28511b626d8038c2f60273f409b0f9eadf97398;p=firefly-linux-kernel-4.4.55.git

WM831X:enable battery FET
---

diff --git a/arch/arm/mach-rk29/board-rk29-a22.c b/arch/arm/mach-rk29/board-rk29-a22.c
index 50b20aa10593..9a931e5c498d 100755
--- a/arch/arm/mach-rk29/board-rk29-a22.c
+++ b/arch/arm/mach-rk29/board-rk29-a22.c
@@ -633,6 +633,12 @@ int wm831x_pre_init(struct wm831x *parm)
 	//ILIM = 900ma
 	ret = wm831x_reg_read(parm, WM831X_POWER_STATE) & 0xffff;
 	wm831x_reg_write(parm, WM831X_POWER_STATE, (ret&0xfff8) | 0x04);	
+
+	//BATT_FET_ENA = 1
+	wm831x_set_bits(parm, WM831X_RESET_CONTROL,0x1000,0x1000);
+	ret = wm831x_reg_read(parm, WM831X_RESET_CONTROL) & 0xffff;
+	printk("%s:WM831X_RESET_CONTROL=0x%x\n",__FUNCTION__,ret);
+	
 #if 0
 	wm831x_set_bits(parm, WM831X_LDO_ENABLE, (1 << 3), 0);
 	wm831x_set_bits(parm, WM831X_LDO_ENABLE, (1 << 7), 0);
diff --git a/arch/arm/mach-rk29/board-rk29-phonesdk.c b/arch/arm/mach-rk29/board-rk29-phonesdk.c
index 63ef9b0b39f6..2ec87a2796bf 100755
--- a/arch/arm/mach-rk29/board-rk29-phonesdk.c
+++ b/arch/arm/mach-rk29/board-rk29-phonesdk.c
@@ -693,6 +693,12 @@ int wm831x_pre_init(struct wm831x *parm)
 	//ILIM = 900ma
 	ret = wm831x_reg_read(parm, WM831X_POWER_STATE) & 0xffff;
 	wm831x_reg_write(parm, WM831X_POWER_STATE, (ret&0xfff8) | 0x04);	
+	
+	//BATT_FET_ENA = 1
+	wm831x_set_bits(parm, WM831X_RESET_CONTROL,0x1000,0x1000);
+	ret = wm831x_reg_read(parm, WM831X_RESET_CONTROL) & 0xffff;
+	printk("%s:WM831X_RESET_CONTROL=0x%x\n",__FUNCTION__,ret);
+	
 #if 0
 	wm831x_set_bits(parm, WM831X_LDO_ENABLE, (1 << 3), 0);
 	wm831x_set_bits(parm, WM831X_LDO_ENABLE, (1 << 7), 0);