linux-kernel - Re: [PATCH 2/2] regulator: Add WM8400 regulator support

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Date:	Wed, 10 Sep 2008 19:39:28 +0100
From:	Liam Girdwood <lrg@...nel.org>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Samuel Ortiz <sameo@...nedhand.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] regulator: Add WM8400 regulator support

On Wed, 2008-09-10 at 19:28 +0100, Mark Brown wrote:
> The WM8400 provides two programmable DCDC step-down (buck) convertors
> and four low-dropout (LDO) regulators. This driver provides support for
> runtime managment of these in the standard regulator API.
> 
> Support for configuration of the suspend and hibernate mode behaviour
> of the regulators is not yet included.
> 
> Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> ---

snip

> +
> +static unsigned int wm8400_dcdc_get_optimum_mode(struct regulator_dev *dev,
> +						 int input_uV, int output_uV,
> +						 int load_uA)
> +{
> +	return REGULATOR_MODE_IDLE;
> +}
> +

This should return NORMAL by default. Probably best to add a lookup
table for IDLE & STANDBY if supported.

Cheers

Liam

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