From: 张晴 <zhangqing@rock-chips.com>
Date: Wed, 18 Apr 2012 09:41:24 +0000 (+0800)
Subject: rk30:sdk:mask interrupt of the wm8326 which is not used
X-Git-Tag: firefly_0821_release~9386
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=26aad1ff66cd6c369beda60cfabdf78b51f4f010;p=firefly-linux-kernel-4.4.55.git

rk30:sdk:mask interrupt of the wm8326 which is not used
---

diff --git a/arch/arm/mach-rk30/board-rk30-sdk-wm8326.c b/arch/arm/mach-rk30/board-rk30-sdk-wm8326.c
index dd184ced8301..f8c62338d6d9 100755
--- a/arch/arm/mach-rk30/board-rk30-sdk-wm8326.c
+++ b/arch/arm/mach-rk30/board-rk30-sdk-wm8326.c
@@ -125,6 +125,19 @@ static int wm831x_pre_init(struct wm831x *parm)
 
 	return 0;
 }
+static int wm831x_mask_interrupt(struct wm831x *Wm831x)
+{
+	/**************************clear interrupt********************/
+	wm831x_reg_write(Wm831x,WM831X_INTERRUPT_STATUS_1,0xffff);
+	wm831x_reg_write(Wm831x,WM831X_INTERRUPT_STATUS_2,0xffff);
+	wm831x_reg_write(Wm831x,WM831X_INTERRUPT_STATUS_3,0xffff);
+	wm831x_reg_write(Wm831x,WM831X_INTERRUPT_STATUS_4,0xffff);
+	wm831x_reg_write(Wm831x,WM831X_INTERRUPT_STATUS_5,0xffff);
+	
+	wm831x_reg_write(Wm831x,WM831X_SYSTEM_INTERRUPTS_MASK,0xbedc); //mask interrupt which not used
+	return 0;
+	/*****************************************************************/
+}
 
 int wm831x_post_init(struct wm831x *Wm831x)
 {
@@ -243,6 +256,7 @@ int wm831x_post_init(struct wm831x *Wm831x)
 	regulator_put(ldo);
 	udelay(100);
 
+	wm831x_mask_interrupt(Wm831x);
 	printk("wm831x_post_init end");
 	return 0;
 }
diff --git a/drivers/mfd/wm831x-i2c.c b/drivers/mfd/wm831x-i2c.c
index 717f629336f3..f618a4af127f 100755
--- a/drivers/mfd/wm831x-i2c.c
+++ b/drivers/mfd/wm831x-i2c.c
@@ -207,8 +207,8 @@ static int wm831x_i2c_resume(struct device *dev)
 void wm831x_i2c_shutdown(struct i2c_client *i2c)
 {
 	struct wm831x *wm831x = i2c_get_clientdata(i2c);
-//	printk("%s\n", __FUNCTION__);
-//	wm831x_device_shutdown(wm831x);
+	printk("%s\n", __FUNCTION__);
+	wm831x_device_shutdown(wm831x);
 }
 
 static const struct i2c_device_id wm831x_i2c_id[] = {