From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Sonic Zhang <sonic.zhang@analog.com>, Liam Girdwood <lrg@ti.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: [PATCH 1/3] regulator: ad5398: Use DIV_ROUND_UP macro to calculate selector
Date: Fri, 02 Mar 2012 16:20:54 +0800 [thread overview]
Message-ID: <1330676454.31023.0.camel@phoenix> (raw)
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/regulator/ad5398.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 483c809..26d23ad 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -94,8 +94,8 @@ static int ad5398_set_current_limit(struct regulator_dev *rdev, int min_uA, int
if (max_uA > chip->max_uA || max_uA < chip->min_uA)
return -EINVAL;
- selector = ((min_uA - chip->min_uA) * chip->current_level +
- range_uA - 1) / range_uA;
+ selector = DIV_ROUND_UP((min_uA - chip->min_uA) * chip->current_level,
+ range_uA);
if (ad5398_calc_current(chip, selector) > max_uA)
return -EINVAL;
--
1.7.5.4
next reply other threads:[~2012-03-02 8:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-02 8:20 Axel Lin [this message]
2012-03-02 8:22 ` [PATCH 2/3] regulator: max1586: Use DIV_ROUND_UP macro to calculate selector Axel Lin
2012-03-03 11:13 ` Robert Jarzmik
2012-03-02 8:23 ` [PATCH 3/3] regulator: max8660: " Axel Lin
2012-03-02 8:57 ` [PATCH 1/3] regulator: ad5398: " Zhang, Sonic
2012-03-02 11:24 ` Mark Brown
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