linux-kernel - [PATCH RFT] regulator: max77686: Fix the delay time for set_voltage_time

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Message-ID: <1339147304.5216.1.camel@phoenix>
Date:	Fri, 08 Jun 2012 17:21:44 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Chiwoong Byun <woong.byun@...sung.com>,
	Jonghwa Lee <jonghwa3.lee@...sung.com>,
	Myungjoo Ham <myungjoo.ham@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Yadwinder Singh Brar <yadi.brar@...sung.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>
Subject: [PATCH RFT] regulator: max77686: Fix the delay time for
 set_voltage_time_sel

rdev->desc->uV_step * abs(new_selector - old_selector) returns uV.
The unit of ramp_rate is mV/us.
Thus 1000 should be multiplied.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/max77686.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c
index b76a038..10bf65a 100644
--- a/drivers/regulator/max77686.c
+++ b/drivers/regulator/max77686.c
@@ -78,7 +78,7 @@ static int max77686_set_dvs_voltage_time_sel(struct regulator_dev *rdev,
 
 	return DIV_ROUND_UP(rdev->desc->uV_step *
 			    abs(new_selector - old_selector),
-			    ramp_rate[max77686->ramp_delay]);
+			    ramp_rate[max77686->ramp_delay] * 1000);
 }
 
 static int max77686_set_voltage_time_sel(struct regulator_dev *rdev,
@@ -86,7 +86,7 @@ static int max77686_set_voltage_time_sel(struct regulator_dev *rdev,
 {
 	/* Unconditionally 100 mV/us */
 	return DIV_ROUND_UP(rdev->desc->uV_step *
-			    abs(new_selector - old_selector), 100);
+			    abs(new_selector - old_selector), 100 * 1000);
 }
 
 static struct regulator_ops max77686_ops = {
-- 
1.7.9.5



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