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分类: Android平台

2016-04-18 14:40:57

[DESCRIPTION]
 IPO : It's a smart phone fast boot up way.This way can let smart phone in deep sleep mode.When user press powerkey,Phone can boot up quickly.
[SOLUTION]
?How - To enable IPO
  A.enable the Feature Option
      1.In ProjectConfig.mk, set  MTK_IPO_SUPPORT = yes
      2.Disable UI configuration:  Setting->Accesibility->Quick boot
         Remove the following 2 lines regarding IPO in red rectangle in                                                  
          frameworks/base/packages/SettingsProvider/res/values/mtk_defaults.xml
          
      3.Rebuild the load
?Important Notice!!
        Phone with battery built-in should be Shutdown before shipment truely. It can be achieved by Clear EMMC in Factory Mode or Meta mode.
?How - To shutdown phone when enabled IPO feature
       A : factory environment
              Recommend to the factory last stop scheduled shutdown process.
           
       FactoryMode - Clear eMMC and Shutdown
           Step 1 : Factory mode modify if enable IPO
                       Find this file for modify
                        “alps\vendor\mediatek\proprietary\factory\src\test\ftm_emmc.c”
                       #include /* for property_set */
                        
             Step 2 : Remove reboot(RB_AUTOBOOT); , change to property_set("sys.powerctl", "shutdown");
                         
         FactoryMode - Clear MLC and Shutdown
            Step 1 : Factory mode modify if enable IPO
                 Find this file for modify “alps\vendor\mediatek\proprietary\factory\src\test\ftm_flash.c”
                 #include /* for property_set */
                   
            Step 2 : Remove reboot(RB_AUTOBOOT); in “clear_flash_entry” , change to property_set("sys.powerctl", "shutdown");
                  
      Meta API- Clear Flash and Shutdown
             New Meta API(SPMeta DLL v1.1528.00) support Clear Flash and Shutdown , if enable IPO
             
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