linux-kernel - Re: [PATCH v2 11/14] regulator: s2mps11: Add opmode for S2MPS14 regulators

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Date:	Wed, 19 Feb 2014 13:08:18 +0900
From:	Mark Brown <broonie@...nel.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Yadwinder Singh Brar <yadi.brar01@...il.com>,
	Sangbeom Kim <sbkim73@...sung.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Tomasz Figa <t.figa@...sung.com>
Subject: Re: [PATCH v2 11/14] regulator: s2mps11: Add opmode for S2MPS14
 regulators

On Tue, Feb 18, 2014 at 09:12:09AM +0100, Krzysztof Kozlowski wrote:
> On Tue, 2014-02-18 at 09:35 +0900, Mark Brown wrote:

> > I don't understand the above?  Are you saying that suspend mode actually
> > turns off the regulator or something else? If it's a separate setting
> > for suspend mode then it should be using the core suspend mode stuff.

> No, it is similar to external control (by GPIO) except that regulator is
> controlled by PWREN pin. The PMIC's PWREN is not a GPIO, but instead it
> is directly connected to AP (for Exynos 4212: XPWRRGTON). In AP's normal
> mode the XPWRRGTON/PWREN is high. In sleep mode *AP* sets it low.

How is that different to suspend mode then?

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