From: 张晴 <zhangqing@rock-chips.com>
Date: Sun, 4 May 2014 06:24:30 +0000 (+0800)
Subject: rk3288:rk808:get dc1\2 voltage when power off and reboot
X-Git-Tag: firefly_0821_release~5388
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=95495c4c3cf0f3bfff5b8f3ea0ed671ed6f323ae;p=firefly-linux-kernel-4.4.55.git

rk3288:rk808:get dc1\2 voltage when power off and reboot
---

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 7c195d84627e..93c9e85a0270 100755
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -1111,24 +1111,34 @@ static struct rk808_board *rk808_parse_dt(struct i2c_client *i2c)
 	return NULL;
 }
 #endif
-
-
-static int rk808_device_shutdown(void)
+static int rk808_shutdown(void)
 {
 	int ret,i,val;
-	int err = -1;
 	u16 reg = 0;
 	struct rk808 *rk808 = g_rk808;
 	
 	printk("%s\n",__func__);
-	/***************get dc0\dc1 voltage *********************/
+	/***************get dc1\dc2 voltage *********************/
 	for(i=0;i<2;i++){
 	reg = rk808_reg_read(rk808,rk808_BUCK_SET_VOL_REG(i));
 	reg &= BUCK_VOL_MASK;
 	val = 700000 + reg * 12500;
-	printk("%s,line=%d dc[%d]= %d\n", __func__,__LINE__,i,val);
+	printk("%s,line=%d dc[%d]= %d\n", __func__,__LINE__,(i+1),val);
 	}
 	/*****************************************************/
+	return 0;	
+}
+EXPORT_SYMBOL_GPL(rk808_shutdown);
+
+static int rk808_device_shutdown(void)
+{
+	int ret,i,val;
+	int err = -1;
+	u16 reg = 0;
+	struct rk808 *rk808 = g_rk808;
+	
+	printk("%s\n",__func__);
+
 	ret = rk808_set_bits(rk808, RK808_INT_STS_MSK_REG1,(0x3<<5),(0x3<<5)); //close rtc int when power off
 	ret = rk808_clear_bits(rk808, RK808_RTC_INT_REG,(0x3<<2)); //close rtc int when power off
 	ret = rk808_reg_read(rk808,RK808_DEVCTRL_REG);
@@ -1503,6 +1513,7 @@ static struct i2c_driver rk808_i2c_driver = {
 	.probe    = rk808_i2c_probe,
 	.remove   = rk808_i2c_remove,
 	.id_table = rk808_i2c_id,
+	.shutdown = rk808_shutdown,
 	#ifdef CONFIG_PM
 	.suspend	= rk808_suspend,
 	.resume		= rk808_resume,