[Q] Where is the HAL code (or binary) for proximity and other sensors?

[garyd9]

Digging through the AOSP code, I'm unable to locate the HAL library (in either binary or source form) for sensors. (In hammerhead, it's device/lge/hammerhead/libsensors.)

What I'd like to do is use that HAL to find the kernel interface being used for the proximity sensor. Anyone have an idea?

Thanks
Gary

 

[Gandalf]

i would check in the init files, and see what paths are being used for sensors. i'll check and see what i can find.

 

[flar2]

I don't think there's anything in the kernel. It's probably firmware.

 

[garyd9]

I don't think there's anything in the kernel. It's probably firmware.

I kind of feared that, but then there should still be a HAL binary (even if it's precompiled) similar to how they put out lights.shamu.so (or shamu.lights.so) for the LED HAL. Given any binary, I should be able to RE enough information to get what I need.

 

[bkjolly]

I kind of feared that, but then there should still be a HAL binary (even if it's precompiled) similar to how they put out lights.shamu.so (or shamu.lights.so) for the LED HAL. Given any binary, I should be able to RE enough information to get what I need.

https://github.com/N6-Dev-Team/proprietary_vendor_motorola/tree/cm-12.0/shamu/proprietary

 

[garyd9]

Fyi, it seems to be accessible via a socket... Based on strings in the Qualcomm binaries. Now comes the hard part of figuring out how to make use of this from kernel code...

BTW, my motive here is to find a way to block the kernel functionality of double touch to turn on screen based on the proximity sensor... to prevent accidental turn ons. I realize that the device would still come out of sleep, but if I prevent the screen from waking up, at least there won't be accidental dialing, etc...

Oh, and @upndwn4par, please feel free to PM me to discuss this thread's subforum location if you'd like.

 

[upndwn4par]

Fyi, it seems to be accessible via a socket... Based on strings in the Qualcomm binaries. Now comes the hard part of figuring out how to make use of this from kernel code...

BTW, my motive here is to find a way to block the kernel functionality of double touch to turn on screen based on the proximity sensor... to prevent accidental turn ons. I realize that the device would still come out of sleep, but if I prevent the screen from waking up, at least there won't be accidental dialing, etc...

Oh, and @upndwn4par, please feel free to PM me to discuss this thread's subforum location if you'd like.

[Q] Where is the HAL code (or binary) for proximity and other sensors?

You are asking a question.

Questions go in Q&A.

Nothing to discuss.

Happy New Year.

 

[garyd9]

You are asking a question.

Questions go in Q&A.

Please re-read the section guidelines.

Happy new year to you as well (and to all other XDA members.)


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