BT device open doesn't work in Android Lollipop 5.1.1

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BT device open doesn't work in Android Lollipop 5.1.1

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vikaskolapudi
Contributor I

Hi All

I am working on my company's BT Device and I would like to integrate it to Android Lollipop, my BT Device driver creates an entry /dev/bt_dev , I have also created libbt-vendor folder in the path /myandroid/hardware/imx/, when I enable BT from GUI control reaches the function userial_vendor_open but it fails in the open system call to /dev/bt_dev , my BT device is up and I can see device listed in /proc/devices. Any idea why open system call is failing. Same code works fine in Kiktat 4.4.3 but it is not working for lollipop.When I checked device driver end the android system doesn't seem to call this /dev/bt_dev open function.

Please help me to move forward.

Thanks & Regards,

Vikas.

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igorpadykov
NXP Employee
NXP Employee

Hi Vikas

lollipop uses different kernel so recommended to apply to vendor of this BT

for updated driver.  Also vendor can provide guidelines for integrating driver

to system.

Best regards

igor

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