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Intel Baytrail (PIPO X7S) kernel build for multitouch support

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    Intel Baytrail (PIPO X7S) kernel build for multitouch support

    I recently purchased a PIPO X7S for a car pc.
    I also purchased a chalk-elec 7" touch screen to connect to the PIPO X7S.
    Based on this link [url]http://www.chalk-elec.com/?p=2028[/url], I have to edit the hid-multitouch.c file and build the kernel.
    So I installed virtual box and added ubuntu.
    I assume that the core PIPO X7S is android-x86 so per this article I downloaded the entire source. [url]http://www.android-x86.org/getsourcecode[/url]
    I then ran "make -j4 iso_img TARGET_PRODUCT=android_x86".
    This created an "android_x86.iso" along with a file called "kernel" with no file extension.
    The problem I don't understand is where I put the "kernel" file on the PIPO X7S device.
    I tried "fastboot flash boot kernel" but that caused the device to go into "android system recovery".
    I have reinstalled android from the manufacture but I would really like to get this touchscreen to work.
    I had also posted another issue on stackoverflow where the "make" only works when building the entire source and does not work when just trying to build a kernel.
    [url]http://stackoverflow.com/questions/32405091/when-building-android-x86-kernel-i-receive-error-make-no-rule-to-make-target[/url]
    Not sure if this issue is related? Maybe the "kernel" file that was built when I built the entire project is bad?


    #2
    Well I think I am way off base. Based on another form it said I should get a "bzImage" file after kernel compile.
    So I have the 'bzImage" file but now I have to figure out where to put it on the android box.

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      #3
      Now it gets even better.
      So I saved the bzImage to my pc and then use an OTG usb cable to connect the device to my pc.
      Next I ran "adb reboot bootloader"
      Then I ran "fastboot flash boot bzImage".
      That caused my device to crash into the android recover mode.
      But the OTG usb no longer works on the device.
      So I used a recovery usb to restore the device.
      I do have root to the device but I will not be able to run "fastboot" since OTG no longer works.
      Any suggestions on how to get the bzImage on the device?
      Assuming that is what I am suppose to do to get multitouch to work?

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