From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Subject: Re: About Goodix-TS on Bay Trail, and ACPI and interrupts
Date: Mon, 9 Feb 2015 15:25:05 +0200
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To: Antonio Ospite <ao2@ao2.it>
Cc: linux-input@vger.kernel.org, Benjamin Tissoires <benjamin.tissoires@redhat.com>, linux-acpi@vger.kernel.org, Bastien Nocera <hadess@hadess.net>, Mathias Nyman <mathias.nyman@linux.intel.com>
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On Fri, Feb 06, 2015 at 05:00:13PM +0100, Antonio Ospite wrote:
> Last doubt, now that I am fixing the DSDT I am going to add an
> Interrupt resource, but what is the correct way to specify its value?
> Pin 3 of GPO2 is mapped to IRQ 220 by the mainline kernel, so I added
> this:
> 
>   Interrupt (ResourceConsumer, Edge, ActiveHigh, Exclusive, ,, )
>   {
>     0x000000DC,
>   }
> 
> And it works, but doesn't this rely on the way linux maps interrupt
> numbers? Is this going to be OS agnostic? My doubt arises from the
> fact that on the Android kernel the same pin is mapped to IRQ
> 389.

You should specify GpioInt() instead and turn it to interrupt using
gpiod_to_irq().