linux-kernel - Re: [PATCH RFC] regulator: core: Support table based mapping in regulator_set_voltage_time

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Message-ID: <20120618095842.GF3974@opensource.wolfsonmicro.com>
Date:	Mon, 18 Jun 2012 10:58:42 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Axel Lin <axel.lin@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Yadwinder Singh Brar <yadi.brar01@...il.com>,
	Liam Girdwood <lrg@...com>
Subject: Re: [PATCH RFC] regulator: core: Support table based mapping in
 regulator_set_voltage_time_sel

On Mon, Jun 18, 2012 at 10:11:28AM +0800, Axel Lin wrote:
> For table based mapping, we can calculate voltage difference by below equation:
> abs(rdev->desc->volt_table[new_selector] - rdev->desc->volt_table[old_selector])

I've applied this since it's incrementally an improvement but really the
fix here should be to just do this in terms of list_voltage() - call
that on the two selectors and then do the multiplication.

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