rk31:pmu:rt5025:to slove without battery can turns on system

arch/arm/mach-rk30/board-pmu-rt5025.c

@@ -419,8 +419,8 @@ static struct rt5025_irq_data rt5025_irq_data = {
 
 //temp unit: 'c*10 degree
 static int jeita_temp[4] = { 0, 150, 500, 600};
-			     //-5',  5',   15', 20',   45'   55'   55',  65'
-static u8 jeita_scalar[8] = { 0x30, 0x2B, 0x25, 0x20, 0x15, 0x10, 0x10, 0x0D };
+			     //-5',  5',   10', 20',   45'   55'   55',  65'
+static u8 jeita_scalar[8] = { 0x30, 0x2B, 0x28, 0x22, 0x15, 0x10, 0x10, 0x0D };
 //cc unit: xxx mA
 static int jeita_temp_cc[][5] = {{ 500,  500,  500,  500, 500},    // not plugin
 			   	 {   0 , 500,  500,  500,   0},    // normal USB

drivers/mfd/rt5025-irq.c

@@ -38,6 +38,7 @@ struct rt5025_irq_info {
 	int intr_pin;
 	int irq;
 	int suspend;
+	int init_once;
 };
 
 static void rt5025_work_func(struct work_struct *work)
@@ -114,14 +115,17 @@ static void rt5025_work_func(struct work_struct *work)
 
 			if (chg_event & (CHG_EVENT_INAC_PLUGIN | CHG_EVENT_INUSB_PLUGIN))
 			{
-				rt5025_set_charging_buck(ii->i2c, 0);
-				mdelay(50);
-				rt5025_set_charging_buck(ii->i2c, 1);
-				mdelay(100);
-				rt5025_set_charging_buck(ii->i2c, 0);
-				mdelay(50);
-				rt5025_set_charging_buck(ii->i2c, 1);
-				mdelay(200);
+				if (!ii->init_once)
+				{
+					rt5025_set_charging_buck(ii->i2c, 0);
+					mdelay(50);
+					rt5025_set_charging_buck(ii->i2c, 1);
+					mdelay(100);
+					rt5025_set_charging_buck(ii->i2c, 0);
+					mdelay(50);
+					rt5025_set_charging_buck(ii->i2c, 1);
+					mdelay(200);
+				}
 			}
 
 			if (ii->chip->power_info->chg_term <= 3)
@@ -150,6 +154,9 @@ static void rt5025_work_func(struct work_struct *work)
 		rt5025_gauge_irq_handler(ii->chip->battery_info, irq_stat[5] & RT5025_FLG_VOLT);
 	#endif /* CONFIG_POWER_RT5025 */
 
+	if (ii->init_once)
+		ii->init_once = 0;
+
 	/* restore all irq enable bit */
 	rt5025_reg_write(ii->i2c, RT5025_REG_IRQEN1, irq_enable[0]);
 	rt5025_reg_write(ii->i2c, RT5025_REG_IRQEN2, irq_enable[1]);
@@ -258,6 +265,7 @@ static int __devinit rt5025_irq_probe(struct platform_device *pdev)
 	if (pdata->cb)
 		ii->event_cb = pdata->cb;
 	wake_lock_init(&ii->irq_wake_lock, WAKE_LOCK_SUSPEND, "rt_irq_wake");
+	ii->init_once = 1;
 
 	rt5025_irq_reg_init(ii, pdata->irq_data);
 	rt5025_interrupt_init(ii);

drivers/power/rt5025-battery.c

@@ -506,7 +506,7 @@ static void rt5025_get_dchg_cc(struct rt5025_battery_info *bi)
 {
   u8 data[4];
   u32 qh_old,ql_old,qh_new,ql_new;
-  u32 cc_masec,offset;
+  u32 cc_masec,offset=0;
   
   if (rt5025_read_reg(bi->client, RT5025_REG_QDCHGH_MSB, data, 4) < 0){
     printk(KERN_ERR "%s: Failed to read QDCHG\n", __func__);

drivers/power/rt5025-swjeita.c

@@ -327,16 +327,44 @@ static void thermal_reg_work_func(struct work_struct *work)
 {
 	struct delayed_work *delayed_work = (struct delayed_work *)container_of(work, struct delayed_work, work);
 	struct rt5025_swjeita_info *swji = (struct rt5025_swjeita_info *)container_of(delayed_work, struct rt5025_swjeita_info, thermal_reg_work);
-	int therm_region;
+	int therm_region = 0;
 	
 	RTINFO("%s ++", __func__);
 	rt5025_get_internal_temp(swji);
+
+	#if 1
+	switch (swji->cur_therm_region)
+	{
+		case 0:
+			if (swji->cur_inttemp >=820)
+				therm_region = 1;
+			else
+				therm_region = 0;
+			break;
+		case 1:
+			if (swji->cur_inttemp <= 780)
+				therm_region = 0;
+			else if (swji->cur_inttemp >= 1020)
+				therm_region = 2;
+			else
+				therm_region = 1; 
+			break;
+		case 2:
+			if (swji->cur_inttemp <= 980)
+				therm_region = 1;
+			else
+				therm_region = 2;
+			break;
+			
+	}
+	#else
 	if (swji->cur_inttemp < 800)
 		therm_region = 0;
 	else if (swji->cur_inttemp >= 800 && swji->cur_inttemp < 1000)
 		therm_region = 1;
 	else
 		therm_region = 2;
+	#endif /* #if 1*/
 
 	if (therm_region != swji->cur_therm_region)
 	{

include/linux/mfd/rt5025.h

@@ -17,7 +17,7 @@
 #include <linux/android_alarm.h>
 
 #define RT5025_DEVICE_NAME "RT5025"
-#define RT5025_DRV_VER	   "1.0.5_R"
+#define RT5025_DRV_VER	   "1.0.6_R"
 
 enum {
 	RT5025_RSTDELAY1_100MS,