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Date:   Mon, 24 Aug 2020 07:57:32 +0800
From:   Shawn Guo <>
To:     Fabio Estevam <>
Cc:     "S.j. Wang" <>,
        Rob Herring <>,
        Sascha Hauer <>,
        Sascha Hauer <>,
        dl-linux-imx <>,
        linux-kernel <>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
Subject: Re: [PATCH] ARM: dts: imx6sx-sdb: Add headphone detection for sound

On Sun, Aug 23, 2020 at 11:12:08AM -0300, Fabio Estevam wrote:
> Hi Wang Shengjiu and Shawn,
> On Sun, Aug 23, 2020 at 9:31 AM S.j. Wang <> wrote:
> > I would like to know your opinion, should I move headphone detect GPIO
> > To audmux group?
> What about adding a dedicated pinctrl_hp for the headphone detect pin
> like it is done at:
> My point is that we should avoid adding a hog group when possible.

I agree.  Hog group should be used as the last sort, when there is no
clear client device owning the pins.


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