From: 张晴 <zhangqing@rock-chips.com>
Date: Sun, 4 May 2014 03:19:40 +0000 (+0800)
Subject: rk3288:rk808:get dc0\1 voltage when power off
X-Git-Tag: firefly_0821_release~5389
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a2f243949340ff2a1cdec7f0db3c50561e49a012;p=firefly-linux-kernel-4.4.55.git

rk3288:rk808:get dc0\1 voltage when power off
---

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 4a1551e7e428..7c195d84627e 100755
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -1115,12 +1115,20 @@ static struct rk808_board *rk808_parse_dt(struct i2c_client *i2c)
 
 static int rk808_device_shutdown(void)
 {
-	int ret;
+	int ret,i,val;
 	int err = -1;
+	u16 reg = 0;
 	struct rk808 *rk808 = g_rk808;
 	
 	printk("%s\n",__func__);
-	
+	/***************get dc0\dc1 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);
+	}
+	/*****************************************************/
 	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);