linux-kernel - Re: [PATCHv1 1/5] ASoC: da7213: Add regulator support

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Message-ID: <20191112165850.GE5195@sirena.co.uk>
Date:   Tue, 12 Nov 2019 16:58:50 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Adam Thomson <Adam.Thomson.Opensource@...semi.com>,
        Support Opensource <Support.Opensource@...semi.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kernel@...labora.com" <kernel@...labora.com>
Subject: Re: [PATCHv1 1/5] ASoC: da7213: Add regulator support

On Tue, Nov 12, 2019 at 04:24:11PM +0100, Sebastian Reichel wrote:
> On Mon, Nov 11, 2019 at 02:07:46PM +0000, Adam Thomson wrote:

> > Having spoken with our HW team, this will cause a POR in the device so we can't
> > just enable/disable VDD_A supply. Needs to present at all times. How are you
> > verifying this?

> Ok. The system, that I used for testing shared a regulator
> for VDDIO and VDDA. I suppose this needs to be moved next
> to enabling VDDIO then.

regulator_bulk_enable() might be handy here.

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