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Mon, 10 Dec 2018 15:30:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1544452235; bh=OT0x+EZbu5RBI4lKT8Jadh6V8lsSLrhlFYfbrrruxqA=; h=Subject:To:Cc:From:Openpgp:Autocrypt:Date:From; b=nBigxgGA0o7wZUNcc2WHe9pkLfgnlniif0vLWcTsZQIPxqf4bRUNtVa68VlygYppP OZhtC9ubf3ByBXyJFI5AQpRxXDnFsC36lf0DVwLnBpLnS1ivfSoq03Q8OJa9JRH/sB zAMZ2IX6z8ew6UWHAT4MwZpHdl4qQKBTXalY7mcJu8dwTKMzC2PmRtib/TmByQYAEU Gwf6CNqczyFYBFrPQMilfnLtZSQrfiukAAYzTXh/WbtmVcO/h3KFnywVZUPtCqGwXK 2b3nbHS1sO9zxJs8Mqm/Mf2M8yUhTxeCpprVWvSeJlcRzrJcyAS4/ZEI0VFlnEStYD 270ItsIoxyqmw== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 43D58S0dJcz9rxV; Mon, 10 Dec 2018 15:30:31 +0100 (CET) Subject: Re: [PATCH V2 2/2] iio: accell: mma8452: add optional vdd/vddio regulator operation support To: Anson Huang , "jic23@kernel.org" , "knaack.h@gmx.de" , "lars@metafoo.de" , "pmeerw@pmeerw.net" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "rtresidd@electromag.com.au" , "gustavo@embeddedor.com" , "gregkh@linuxfoundation.org" , Leonard Crestez , "linux-iio@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "festevam@gmail.com" Cc: dl-linux-imx References: <1544426368-16415-1-git-send-email-Anson.Huang@nxp.com> <1544426368-16415-2-git-send-email-Anson.Huang@nxp.com> From: Martin Kepplinger Openpgp: preference=signencrypt Autocrypt: addr=martink@posteo.de; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 In-Reply-To: <1544426368-16415-2-git-send-email-Anson.Huang@nxp.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Acked-by: Martin Kepplinger