linux-kernel - RE: [PATCH] lp3971: Fix BUCK_VOL_CHANGE

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Message-id: <000101cac40b$89137ac0$9b3a7040$%szyprowski@samsung.com>
Date:	Mon, 15 Mar 2010 07:48:31 +0100
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	'Liam Girdwood' <lrg@...mlogic.co.uk>,
	'Kyungmin Park' <kyungmin.park@...sung.com>
Cc:	'axel lin' <axel.lin@...il.com>,
	'linux-kernel' <linux-kernel@...r.kernel.org>,
	'Mark Brown' <broonie@...nsource.wolfsonmicro.com>
Subject: RE: [PATCH] lp3971: Fix BUCK_VOL_CHANGE_SHIFT logic

Hello,

On Thursday, March 11, 2010 12:18 PM Liam Girdwood wrote:

> On Thu, 2010-03-11 at 11:04 +0000, Mark Brown wrote:
> > On Thu, Mar 11, 2010 at 09:56:34AM +0800, axel lin wrote:
> > > From 99175ed0f281d54efdaf8eef548077a8f0b4924a Mon Sep 17 00:00:00 2001
> > > From: Axel Lin <axel.lin@...il.com>
> > > Date: Thu, 11 Mar 2010 09:50:07 +0800
> > > Subject: [PATCH] lp3971: Fix BUCK_VOL_CHANGE_SHIFT logic
> > >
> > > Given x=0,1,2, current implementation of BUCK_VOL_CHANGE_SHIFT(x) returns 0,4,8.
> > > The correct return value should be 0,4,6.
> > > This patch fix the logic.
> > >
> > > Signed-off-by: Axel Lin <axel.lin@...il.com>
> >
> > Acked-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> >
> > with the same comment about ideally wanting someone who worked on the
> > driver previously to check stuff.
> 
> Marek, Kyungmin, could someone please test/ack this before both are
> applied.

Acked-by: Marek Szyprowski <m.szyprowski@...sung.com>

Axel was right, my bit arithmetic was definitely wrong. Again, thanks for spotting
it and I'm really sorry You had lost some time debugging it.

Best regards
--
Marek Szyprowski
Samsung Poland R&D Center

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