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authorAxel Lin <axel.lin@gmail.com>2012-03-06 06:54:40 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-11 20:48:52 +0000
commitae76e8307ff2812a57692a54322c6898a949ae76 (patch)
tree1ec8b2faa9a78a07a42b9636abca5eeecf9642d6 /drivers/regulator/da903x.c
parente9a15c8cad2a23e86a8e6457a3ab0ab3bda50d35 (diff)
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regulator: da903x: Use DIV_ROUND_UP macro to calculate selector
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/da903x.c')
-rw-r--r--drivers/regulator/da903x.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
index 8dbc54da7d70..1851f0929ef0 100644
--- a/drivers/regulator/da903x.c
+++ b/drivers/regulator/da903x.c
@@ -119,7 +119,7 @@ static int da903x_set_ldo_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = val;
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@@ -202,7 +202,7 @@ static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = val;
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@@ -233,10 +233,10 @@ static int da9030_set_ldo14_voltage(struct regulator_dev *rdev,
thresh = (info->max_uV + info->min_uV) / 2;
if (min_uV < thresh) {
- val = (thresh - min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(thresh - min_uV, info->step_uV);
val |= 0x4;
} else {
- val = (min_uV - thresh + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - thresh, info->step_uV);
}
*selector = val;
@@ -281,7 +281,7 @@ static int da9034_set_dvc_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = val;
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@@ -307,7 +307,7 @@ static int da9034_set_ldo12_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
val = (val >= 20) ? val - 12 : ((val > 7) ? 8 : val);
*selector = val;
val <<= info->vol_shift;