Adding custom functional callbacks to IIO driver

[Lars-Peter Clausen]

On 2/12/21 12:07 PM, Anand Ashok Dumbre wrote:
> Hello,
>
> I have an IIO adc driver that measures temperatures and voltages on the SOC.
> There are other kernel modules interested in the temperature and voltage event information.
>
> Would using a custom callback registration mechanism be advisable?
> Is there something similar done already in IIO that can be leveraged?

Hi,

Have a look at the IIO consumer API that allows other kernel modules to 
subscribe to the output of an IIO device. 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/iio/consumer.h 


- Lars