Re: [patch 2.6.29-rc6 1/2] regulator: enumerate voltages (v2)

From: Liam Girdwood
Date: Thu Feb 26 2009 - 15:54:32 EST


On Thu, 2009-02-26 at 11:48 -0800, David Brownell wrote:
> From: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
>
> Add a basic mechanism for regulators to report the discrete
> voltages they support: list_voltage() enumerates them using
> selectors numbered from 0 to an upper bound.
>
> Use those methods to force machine-level constraints into bounds.
> (Example: regulator supports 1.8V, 2.4V, 2.6V, 3.3V, and board
> constraints for that rail are 2.0V to 3.6V ... so the range of
> voltages is then 2.4V to 3.3V on this board.)
>
> Export those voltages to the regulator consumer interface, so for
> example regulator hooked up to an MMC/SD/SDIO slot can report the
> actual voltage options available to cards connected there.
>
> Signed-off-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> ---

Applied with git-am merge conflicts. It builds ok, can you check against
your tree.

Thanks

Liam

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