linux-kernel - Re: [PATCH v7 2/3] ASoC: qcom: dt-bindings: Add sc7180 machine bindings

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Date:   Thu, 10 Sep 2020 12:02:41 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Cheng-yi Chiang <cychiang@...omium.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Taniya Das <tdas@...eaurora.org>,
        Rohit kumar <rohitkr@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Patrick Lai <plai@...eaurora.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Srini Kandagatla <srinivas.kandagatla@...aro.org>,
        Stephan Gerhold <stephan@...hold.net>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Doug Anderson <dianders@...omium.org>,
        Dylan Reid <dgreid@...omium.org>,
        Tzung-Bi Shih <tzungbi@...omium.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <alsa-devel@...a-project.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH v7 2/3] ASoC: qcom: dt-bindings: Add sc7180 machine
 bindings

On Wed, Sep 09, 2020 at 11:49:22AM -0600, Rob Herring wrote:

> I would assume a codec to be similar. The codec node (the alc5682
> node) should have any jack related properties (or possibly implicitly
> support it by default).

This isn't always clear - some jack detection is implemented entirely by
integrating simple components like GPIOs and ADCs or by integrating
limited support in one device with some external components to get more
features (like bolting an ADC on the side for button detect).  I would
not expect to ever see a device with jack detection support that could
just be unconditionally enabled, it will always require some board level
wiring up to provide the connections required to function.

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