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Date:   Thu, 20 Sep 2018 22:21:22 +0200
From:   Pavel Machek <pavel@ucw.cz>
To:     Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Cc:     Sakari Ailus <sakari.ailus@iki.fi>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        linux-media <linux-media@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Hans Verkuil <hans.verkuil@cisco.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Subject: Re: [PATCH v2 2/4] [media] ad5820: Add support for enable pin
Message-ID: <20180920202122.GA30748@amd>
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Hi!

> > > > ad5820: dac@0c {
> > > >    compatible =3D "adi,ad5820";
> > > >    reg =3D <0x0c>;
> > > >
> > > >    VANA-supply =3D <&pm8994_l23>;
> > > >    enable-gpios =3D <&msmgpio 26 GPIO_ACTIVE_HIGH>;
> > > > };
> > >
> > > Well, I'm sure you could have gpio-based regulator powered from
> > > pm8994_l23, and outputting to ad5820.
> > >
> > > Does ad5820 chip have a gpio input for enable?
> >=20
> > xshutdown pin:
> > http://www.analog.com/media/en/technical-documentation/data-sheets/AD58=
21.pdf
> >=20
> > (AD5820,AD5821, and AD5823 are compatibles, or at least that is waht
> > the module manufacturer says :)
>=20
> Aha, sorry for the noise.
>=20
> 2,3: Acked-by: Pavel Machek <pavel@ucw.cz>

And I forgot to mention. If ad5821 and ad5823 are compatible, it would
be good to mention it somewhere where it is easy to find... That can
save quite a bit of work to someone.

Thanks,
								Pavel


--=20
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo=
g.html

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