I've already changed init/devices.c to add this

    { "/dev/ttyUSB",        0660,   AID_RADIO,      AID_RADIO,
1 },

So /dev/ttyUSB* is created with proper permissions.
But it didn't help to my problem.

Any hint?

On 9月13日, 下午7時59分, "Wenxy" <[email protected]> wrote:
>
> Hi Chih-Wei,
> you should  chang acess permision of /dev/ttyUSB0 in init.rc:
> chmod 666 /dev/ttyUSB0
> and chang acess permision when ttyUSB device inset into android board too.
>

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