rk3399驱动添加电池adc开机检测功能

添加 kernel/drivers/power/rk29_adc_battery.c

diff --git a/RKTools/oem/custom/henantuorenyiliao/kernel/drivers/power/rk29_adc_battery.c b/RKTools/oem/custom/henantuorenyiliao/kernel/drivers/power/rk29_adc_battery.c
index 1299733ef2…0306f3f316 100755
— a/RKTools/oem/custom/henantuorenyiliao/kernel/drivers/power/rk29_adc_battery.c
+++ b/RKTools/oem/custom/henantuorenyiliao/kernel/drivers/power/rk29_adc_battery.c
@@ -1068,6 +1068,15 @@ static int rk29_adc_battery_probe(struct platform_device *pdev)
dev_err(dev,“can’t request charge_detect gpio %d\n”,charge_detect);
}else{
gpio_direction_input(charge_detect);

•                   ret = gpio_get_value(charge_detect);
  

•                   if(ret == 1){
  

•                           printk("CHARGING\n");