linux-kernel - Re: [PATCH V4 2/2] regulator: mt6323: Add support for MT6323 regulator

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Date:	Tue, 2 Feb 2016 19:39:13 +0000
From:	Mark Brown <broonie@...nel.org>
To:	menghui lin <menghui.lin@...iatek.com>
Cc:	John Crispin <blogic@...nwrt.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	HenryC Chen (陳建豪) 
	<HenryC.Chen@...iatek.com>, linux-kernel@...r.kernel.org,
	linux-mediatek@...ts.infradead.org,
	Matthias Brugger <matthias.bgg@...il.com>,
	Chen Zhong <chen.zhong@...iatek.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V4 2/2] regulator: mt6323: Add support for MT6323
 regulator

On Fri, Jan 29, 2016 at 08:11:19PM +0800, menghui lin wrote:
> On Fri, 2016-01-29 at 12:27 +0100, Mark Brown wrote:

> > None of this is answering my question - I know what the current API is,
> > describing it doesn't tell me about actual users or how they are able to
> > sensibly use the interface.  Bear in mind that the definitions of the
> > various modes are all relative and what one device thinks is high usage
> > may be low usage for another device.

> Assuming valid_modes_mask and initial_mode are specified, a possible
> way to modify regulator_set_mode() is to allow mode change only if the
> regulator is controlled exclusively by a certain consumer or the
> requested mode provides stronger power capability than current mode.
> Here I assume that power capability fast > normal > idle > standby.

...and I also note that the above *still* doesn't answer my questions
above.

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