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

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Date:   Fri, 1 Dec 2017 15:57:25 +0000
From:   Mark Brown <broonie@...nel.org>
To:     "Andrew F. Davis" <afd@...com>
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 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.

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