From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: [PATCH V1] TPS62360: Add tps62360 regulator driver
Date: Mon, 9 Jan 2012 00:48:46 -0800
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To: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Laxman Dewangan <ldewangan.com@nvidia.com>, "lrg@slimlogic.co.uk" <lrg@slimlogic.co.uk>, "linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>
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On Mon, Jan 09, 2012 at 02:17:17PM +0530, Laxman Dewangan wrote:
> > On Monday, January 09, 2012 1:09 PM, Mark Brown wrote

> > The driver can decide what voltages to set - like I said in a previous
> > mail it could use something like LRU to decide which slot to use, or
> > perhaps be clever with the upper end of the range it was given.

> So we will change the gpios output also according to voltage register
> slot from driver?

You'd need to change both from the driver.

> So through platform data, I will pass the gpio nr for VSEL0, VSEL1 and
> their default state. 

Yes.

> If valid gpios will be passed then driver will use the LRU mechanism
> for getting desired configuration register for configuring the desired
> voltage (passed through the regulator_setvoltage())and set the gpios
> accordingly through gpio libs.
> In this approach, because we need to set two different gpios for
> desired logic, the output will not go in proper transition from
> current to new one, for some time when we completed setting of
> one gpio and setting second gpio.

Isn't that an issue anyway?