topic Re: How to add ambient light sensor into Android(6.0) HAL layer in i.MX Processors

How to add ambient light sensor into Android(6.0) HAL layer

aravinthkumarja — Mon, 24 Apr 2017 13:15:16 GMT

Hi All,
How to add new light sensor(ambient light sensor) into Android(6.0) HAL layer.?

without adding to HAL how to test it??

Regards
Aravinth

Re: How to add ambient light sensor into Android(6.0) HAL layer

igorpadykov — Mon, 24 Apr 2017 23:56:58 GMT

Hi Aravinth

one can refer to common android documentation

input - Android sensors hardware abstraction layer - Stack Overflow

http://www.st.com/content/ccc/resource/technical/document/application_note/09/e5/63/88/10/ac/42/26/DM00118439.pdf/files/…

Best regards
igor
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Re: How to add ambient light sensor into Android(6.0) HAL layer

aravinthkumarja — Thu, 27 Apr 2017 12:27:07 GMT

Thanks for response igor,

My light sensor device comes under iio:device, But right now in imx6 Android Hal layer they searching sensor device only inside /dev/input/

How can i make it for iio:device ??

Regards

Aravinth

Re: How to add ambient light sensor into Android(6.0) HAL layer

aravinthkumarja — Mon, 08 May 2017 08:32:12 GMT

Thanks for your guys. i have fixed this issue.

Regards,

Aravinth

Re: How to add ambient light sensor into Android(6.0) HAL layer

karvekar — Mon, 15 Oct 2018 03:22:00 GMT

I have a similar question.

How to add iio:device to imx6 HAL ?

Re: How to add ambient light sensor into Android(6.0) HAL layer

aravinthkumarja — Tue, 16 Oct 2018 13:00:28 GMT

Hi Mak,

Added new sensor is big procedure. Can you please explore more about it. What kind of sensor you want to add, chip name, etc.?

Regards,

Aravinth

Re: How to add ambient light sensor into Android(6.0) HAL layer

karvekar — Wed, 17 Oct 2018 02:36:11 GMT

I have imx6 Nitrogen6x_Max board.

Added ALS opt3001 on i2c2.

The driver in the kernel shows up as a iio device under 2-0044.

I can read the values from shell.

But the sensor HAL uses input devices instead.

Question was how to update Sensor HAL to accommodate an iio device ?

Re: How to add ambient light sensor into Android(6.0) HAL layer

jasminjose — Fri, 25 Oct 2019 05:57:05 GMT

Did you resolve the issue?

I have similar case:

I am trying to add opt3001(i2c0) HAL support to android oreo.

I am working on i.MX6 variscite som

I have added device driver for opt3001.

aravinthkumarjayaprakasam‌