linux-kernel - Re: [PATCH] regulator: twl4030 VAUX3 supports 3.0V

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Message-ID: <49C9EB17.2020408@nokia.com>
Date:	Wed, 25 Mar 2009 10:28:07 +0200
From:	Adrian Hunter <adrian.hunter@...ia.com>
To:	Liam Girdwood <lrg@...mlogic.co.uk>
CC:	David Brownell <david-b@...bell.net>,
	Mark Brown <broonie@...ena.org.uk>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-omap Mailing List <linux-omap@...r.kernel.org>
Subject: Re: [PATCH] regulator: twl4030 VAUX3 supports 3.0V

Liam Girdwood wrote:
> On Tue, 2009-03-17 at 09:36 +0200, Adrian Hunter wrote:
>> Liam Girdwood wrote:
>>> On Fri, 2009-03-06 at 14:48 -0800, David Brownell wrote:
>>>> On Friday 06 March 2009, Mark Brown wrote:
>>>>> Would it make sense to make this platform data so that if a given board
>>>>> requires running the chip like this it can be enabled for those boards
>>>>> but it's not something people might turn on because it seems useful?
>>>> Let's hear if it's actually needed, first.  :)
>>>>
>>>> I coded those tables so that it would be easy to kick in the
>>>> support for out-of-spec operation if it's really needed.  But
>>>> so far we don't know that it's needed, and I'd rather it not
>>>> be too easy to run like that.
>>>>
>>> I've now reverted this patch. 
>> TI say we can use VAUX3 at 3V and expect no problems:
>>
>> http://community.ti.com/forums/p/3777/14574.aspx
>>
>> So how do we do it?
> 
> I'd prefer seeing the reply from Ghandar to David's last question before
> accepting this patch again. It's still not 100% clear from TI, things
> seem a little bit muddled as to whether 3V will be guaranteed to work on
> *all* shipped devices.

Ghandar has responded.  What would you like to do?

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