Le 09/12/2013 10:04, an a écrit :
> Thank you Marco Chen for the hint, I copied 
> "/data/misc/prox/prox_threshold.txt" from stock OS into v1.2 and the sensor 
> now works. This should be posted with the official instructions for building 
> B2G.

How did you performed your upgrade ? Did you erased/reflashed /data ?

> 
> Best
> 
> On Monday, December 9, 2013 4:12:26 AM UTC+2, Marco Chen wrote:
>> Hi,
>>
>>
>>
>> Could you check whether "/data/misc/prox/prox_threshold.txt" is exist or not?
>>
>> This is the file recorded calibration data and prox sensor can't work well 
>> without it.
>>
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