linux-kernel - Re: [PATCH v2 16/19] ASoC: tlv320aic31xx: Add short circuit detection support

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Date:   Wed, 6 Dec 2017 11:15:12 -0600
From:   "Andrew F. Davis" <afd@...com>
To:     Mark Brown <broonie@...nel.org>
CC:     Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 16/19] ASoC: tlv320aic31xx: Add short circuit detection
 support

On 12/01/2017 09:57 AM, Mark Brown wrote:
> On Fri, Dec 01, 2017 at 09:32:12AM -0600, Andrew F. Davis wrote:
>> On 12/01/2017 07:39 AM, Mark Brown wrote:
> 
>>> Is the interrupt only available on GPIO1?
> 
>> Some devices can route this to GPIO2 IIRC.
> 
>> I'm not sure how that would be supported, I think we would need to add
>> interrupt names to DT so users could specify which gpio they wired their
>> IRQ lines to.
> 
>> interrupt = <&host 23>;
>> interrupt-name = "gpio2";
> 
>> or similar?
> 
> You could also use pinctrl an require the user to mux the interrupt in
> whatever fashion makes sense for their device.
> 

If done at that layer then no change is needed in the driver right? We
just request and use the IRQ passed to us from i2c data.