Polling an Inputs state

[Ralf_Rademacher]

I want to write a character device driver and poll an gpio input state inside this driver (sai1_rxd0).

Is there somebody who can please provide an example codesnippet how i can poll an input at i.MX8MP inside a driver?

I don't want to use interrupts...

Best

Ralf

[Ralf_Rademacher · Accepted solution]

I think gpio_get_value() will do the job

[Bio_TICFSL]

Hello,

Don't have a code snoppet but if you are modify a driver the  gpi_get_value() will do the job, but you have to compile everything again to make it works.

Regards