linux-kernel - Re: [PATCH V2 2/2] iio: accell: mma8452: add optional vdd/vddio regulator operation support

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Message-ID: <0412034a-989b-1d57-a356-1fc3e87a0a91@posteo.de>
Date:   Mon, 10 Dec 2018 15:30:31 +0100
From:   Martin Kepplinger <martink@...teo.de>
To:     Anson Huang <anson.huang@....com>,
        "jic23@...nel.org" <jic23@...nel.org>,
        "knaack.h@....de" <knaack.h@....de>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "pmeerw@...erw.net" <pmeerw@...erw.net>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "rtresidd@...ctromag.com.au" <rtresidd@...ctromag.com.au>,
        "gustavo@...eddedor.com" <gustavo@...eddedor.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Leonard Crestez <leonard.crestez@....com>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "festevam@...il.com" <festevam@...il.com>
Cc:     dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH V2 2/2] iio: accell: mma8452: add optional vdd/vddio
 regulator operation support

On 10.12.18 08:25, Anson Huang wrote:
> The accelerometer's power supply could be controlled by regulator
> on some platforms, such as i.MX6Q-SABRESD board, the mma8451's
> power supply is controlled by a GPIO fixed regulator, need to make
> sure the regulator is enabled before any communication with mma8451,
> this patch adds optional vdd/vddio regulator operation support.
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>

Acked-by: Martin Kepplinger <martink@...teo.de>