linux-kernel - Re: [PATCH v2 3/3] regulator: axp20x: Fix axp22x ldo

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Message-ID: <20160427151219.GV3217@sirena.org.uk>
Date:	Wed, 27 Apr 2016 16:12:19 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Hans de Goede <hdegoede@...hat.com>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/3] regulator: axp20x: Fix axp22x ldo_io registration
 error on cold boot

On Wed, Apr 27, 2016 at 03:59:28PM +0200, Hans de Goede wrote:
> The maximum supported voltage for ldo_io# is 3.3V, but on cold
> boot the selector comes up at 0x1f, which maps to 3.8V.

Why not just implement that?  We know what it does and it preserves the
expected behaviour where we don't touch the regualtor unless explicitly
told it's OK.  We'll only ever try to set that value if the machine
explicitly gives permission for it.

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