Gathering i.MX6 GPIO interrupt

[JHY]

I am using i.MX6(SABRE-SDP) and Linux 3.10.53.

There are two buttons labeled Volume Up and Down.

When click those, I got message like below.

# dmesg -c

...

[ 2875.895728] evbug: Event. Dev: input1, Type: 1, Code: 114, Value: 0

...

[ 2873.265728] evbug: Event. Dev: input1, Type: 1, Code: 115, Value: 1

...

This is just kernel messages, I do not know how can handle those interrupt.

So my question is that how can I sense those events in my application?

Is there a linux application guide? For example, when pushing the key, print out debuging message.

Thank you.

[igorpadykov · Accepted solution]

Hi JHY

one can look at linux ../DOC/gpio.txt,input-programming.txt

link below gives useful references

Configure GPIO as interrupt source

https://patchwork.kernel.org/patch/1293451/

Best regards

igor

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