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Which camera is working as a front camera(by default) in firefly rk3399??

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Posted at 1/31/2018 13:59:37     
Hi,
I am working on an android application which requires to have an access of front camera only.But I am not sure which camera(USB or MIPI CSI) is working as a front camera(by default) in firefly rk3399.And if we have to make any changes in the kernel to make it happen then, what they should be?  
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Posted at 1/31/2018 16:32:55     
modify cam_board.xml 'SensorFacing' parameter.
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Posted at 1/31/2018 18:13:47     
leung先森 Posted at 1/31/2018 16:32
modify cam_board.xml 'SensorFacing' parameter.

Thank you. I have found the file but will it work for USB camera or this is for MIPI CSI camera.
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Posted at 2/1/2018 09:32:35     
KrunalShah Posted at 1/31/2018 18:13
Thank you. I have found the file but will it work for USB camera or this is for MIPI CSI camera.

Is mipi, usb need to search code of the hardware/rockchip/camera/CameraHal/
key word "facing"
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