linux-kernel - [RFT][PATCH 1/2] regulator: as3722: Fix equation to calculate max_uV in regulator_lin

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Message-ID: <1380641628.19681.3.camel@phoenix>
Date:	Tue, 01 Oct 2013 23:33:48 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Laxman Dewangan <ldewangan@...dia.com>,
	Florian Lobmaier <florian.lobmaier@....com>,
	Liam Girdwood <lgirdwood@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [RFT][PATCH 1/2] regulator: as3722: Fix equation to calculate
 max_uV in regulator_lin_range macro

Fix off-by-one in the equation to calculate max_uV.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
Hi,
I don't have the datasheet and h/w.
Just found this issue while reading the code. (Only compile test).

Axel
 drivers/regulator/as3722-regulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c
index 16a5d26..c6a1fc6 100644
--- a/drivers/regulator/as3722-regulator.c
+++ b/drivers/regulator/as3722-regulator.c
@@ -441,7 +441,7 @@ static struct regulator_ops as3722_ldo3_extcntrl_ops = {
 		.max_sel = _max_sel,					\
 		.uV_step = _step_uV,					\
 		.min_uV = _min_uV,					\
-		.max_uV = _min_uV + (_max_sel - _min_sel + 1) * _step_uV, \
+		.max_uV = _min_uV + (_max_sel - _min_sel) * _step_uV,	\
 	}
 
 static const struct regulator_linear_range as3722_ldo_ranges[] = {
-- 
1.8.1.2



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